Apollo 10 Timeline
|
Event |
GET (hhh:mm:ss) |
GMT Time |
GMT Date |
|
Terminal countdown started. |
-028:00:00 |
01:00:00 |
17-May-69 |
|
Scheduled 1-hour hold at T-3 hours 30 minutes. |
-003:30:00 |
12:19:00 |
18-May-69 |
|
Countdown resumed at T-3 hours 30 minutes. |
-003:30:00 |
13:19:00 |
18-May-69 |
|
Guidance reference release. |
-000:00:16.978 |
16:48:43 |
18-May-69 |
|
S-IC engine start command. |
-000:00:08.9 |
16:48:51 |
18-May-69 |
|
S-IC engine ignition (#5). |
-000:00:06.4 |
16:48:53 |
18-May-69 |
|
All S-IC engines thrust OK. |
-000:00:01.6 |
16:48:58 |
18-May-69 |
|
Range zero. |
000:00:00.00 |
16:49:00 |
18-May-69 |
|
All holddown arms released (1st motion) (1.06 g). |
000:00:00.25 |
16:49:00 |
18-May-69 |
|
Liftoff (umbilical disconnected). |
000:00:00.58 |
16:49:00 |
18-May-69 |
|
Tower clearance yaw maneuver started. |
000:00:01.6 |
16:49:01 |
18-May-69 |
|
Yaw maneuver ended. |
000:00:10.0 |
16:49:10 |
18-May-69 |
|
Pitch and roll maneuver started. |
000:00:13.05 |
16:49:13 |
18-May-69 |
|
Roll maneuver ended. |
000:00:32.3 |
16:49:32 |
18-May-69 |
|
Mach 1 achieved. |
000:01:06.8 |
16:50:06 |
18-May-69 |
|
Maximum dynamic pressure (694.232 lb/ft2). |
000:01:22.6 |
16:50:22 |
18-May-69 |
|
Maximum bending moment (88,000,000 lbf-in). |
000:01:24.6 |
16:50:24 |
18-May-69 |
|
S-IC center engine cutoff command. |
000:02:15.16 |
16:51:15 |
18-May-69 |
|
Pitch maneuver ended. |
000:02:38.7 |
16:51:38 |
18-May-69 |
|
S-IC outboard engine cutoff. |
000:02:41.63 |
16:51:41 |
18-May-69 |
|
S-IC maximum total inertial acceleration (3.92 g). |
000:02:41.71 |
16:51:41 |
18-May-69 |
|
S-IC maximum Earth-fixed velocity. |
000:02:41.96 |
16:51:41 |
18-May-69 |
|
S-IC/S-II separation command. |
000:02:42.31 |
16:51:42 |
18-May-69 |
|
S-II engine start command. |
000:02:43.05 |
16:51:43 |
18-May-69 |
|
S-II ignition. |
000:02:44.05 |
16:51:44 |
18-May-69 |
|
S-II aft interstage jettisoned. |
000:03:12.3 |
16:52:12 |
18-May-69 |
|
Launch escape tower jettisoned. |
000:03:17.8 |
16:52:17 |
18-May-69 |
|
Iterative guidance mode initiated. |
000:03:22.9 |
16:52:22 |
18-May-69 |
|
S-IC apex. |
000:04:26.87 |
16:53:26 |
18-May-69 |
|
S-II center engine cutoff. |
000:07:40.61 |
16:56:40 |
18-May-69 |
|
S-II maximum total inertial acceleration (1.82 g). |
000:07:40.69 |
16:56:40 |
18-May-69 |
|
S-IC impact (theoretical). |
000:08:59.12 |
16:57:59 |
18-May-69 |
|
S-II outboard engine cutoff. |
000:09:12.64 |
16:58:12 |
18-May-69 |
|
S-II maximum Earth-fixed velocity. S-II/S-IVB separation command. |
000:09:13.50 |
16:58:13 |
18-May-69 |
|
S-IVB 1st burn start command. |
000:09:13.60 |
16:58:13 |
18-May-69 |
|
S-IVB 1st burn ignition. |
000:09:16.81 |
16:58:16 |
18-May-69 |
|
S-IVB ullage case jettisoned. |
000:09:25.4 |
16:58:25 |
18-May-69 |
|
S-II apex. |
000:09:57.21 |
16:58:57 |
18-May-69 |
|
S-IVB 1st burn cutoff command. |
000:11:43.76 |
17:00:43 |
18-May-69 |
|
S-IVB 1st burn maximum Earth-fixed velocity and maximum total inertial acceleration (0.70 g). |
000:11:43.84 |
17:00:43 |
18-May-69 |
|
Earth orbit insertion. |
000:11:53.76 |
17:00:53 |
18-May-69 |
|
Maneuver to local horizontal attitude and orbital navigation started. |
000:12:04.1 |
17:01:04 |
18-May-69 |
|
S-II impact (theoretical). |
000:20:17.89 |
17:09:17 |
18-May-69 |
|
S-IVB 2nd burn restart preparation. |
002:23:49.26 |
19:12:49 |
18-May-69 |
|
S-IVB 2nd burn restart command. |
002:33:19.20 |
19:22:19 |
18-May-69 |
|
S-IVB 2nd burn ignition. |
002:33:27.52 |
19:22:27 |
18-May-69 |
|
S-IVB 2nd burn cutoff. |
002:39:10.58 |
19:28:10 |
18-May-69 |
|
S-IVB 2nd burn maximum total inertial acceleration (1.49 g). |
002:39:10.66 |
19:28:10 |
18-May-69 |
|
S-IVB 2nd burn maximum Earth-fixed velocity. S-IVB safing procedures started. |
002:39:11.30 |
19:28:11 |
18-May-69 |
|
Translunar injection. |
002:39:20.58 |
19:28:20 |
18-May-69 |
|
Orbital navigation started. |
002:39:29.6 |
19:28:29 |
18-May-69 |
|
CSM separated from S-IVB (ignition). |
003:02:42.4 |
19:51:42 |
18-May-69 |
|
CSM separated from S-IVB (cutoff). |
003:02:45.7 |
19:51:45 |
18-May-69 |
|
TV transmission started. |
003:06:00 |
19:55:00 |
18-May-69 |
|
CSM docked with LM/S-IVB. |
003:17:36.0 |
20:06:36 |
18-May-69 |
|
TV transmission ended. |
003:28:00 |
20:17:00 |
18-May-69 |
|
TV transmission started. |
003:56:00 |
20:45:00 |
18-May-69 |
|
CSM/LM ejected from S-IVB. |
003:56:25.7 |
20:45:25 |
18-May-69 |
|
TV transmission ended. |
004:09:25 |
20:58:25 |
18-May-69 |
|
CSM SPS evasive maneuver ignition. |
004:39:09.8 |
21:28:09 |
18-May-69 |
|
CSM SPS evasive maneuver cutoff. |
004:39:12.7 |
21:28:12 |
18-May-69 |
|
Maneuver to S-IVB slingshot attitude initiated. |
004:42:15.8 |
21:31:15 |
18-May-69 |
|
S-IVB lunar slingshot maneuver - APS ignition. |
004:45:36.4 |
21:34:36 |
18-May-69 |
|
S-IVB lead experiment - LOX lead started. |
004:48:21.3 |
21:37:21 |
18-May-69 |
|
S-IVB lead experiment - LOX lead ended. |
004:48:30.3 |
21:37:30 |
18-May-69 |
|
S-IVB lead experiment - LH2 lead started. |
004:50:09.9 |
21:39:09 |
18-May-69 |
|
S-IVB lunar slingshot maneuver - APS cutoff. |
004:50:17.0 |
21:39:17 |
18-May-69 |
|
S-IVB lead experiment - LH2 lead ended. |
004:50:58.8 |
21:39:58 |
18-May-69 |
|
S-IVB safing - LH2 tank CVS open. |
004:51:36.1 |
21:40:36 |
18-May-69 |
|
S-IVB lunar slingshot maneuver - LOX dump started. |
004:54:15.79 |
21:43:15 |
18-May-69 |
|
S-IVB lunar slingshot maneuver - LOX dump ended. |
004:59:16.00 |
21:48:16 |
18-May-69 |
|
TV transmission started. |
005:06:34 |
21:55:34 |
18-May-69 |
|
S-IVB safing - LH2 tank NPV valve open. |
005:16:09.8 |
22:05:09 |
18-May-69 |
|
TV transmission ended. |
005:19:49 |
22:08:49 |
18-May-69 |
|
S-IVB lunar slingshot maneuver - APS ignition. |
005:28:55.8 |
22:17:55 |
18-May-69 |
|
S-IVB lunar slingshot maneuver - APS cutoff. |
005:29:04.9 |
22:18:04 |
18-May-69 |
|
TV transmission started. |
007:11:27 |
00:00:27 |
19-May-69 |
|
TV transmission ended. |
007:35:27 |
00:24:27 |
19-May-69 |
|
Midcourse correction ignition. |
026:32:56.8 |
19:21:56 |
19-May-69 |
|
Midcourse correction cutoff. |
026:33:03.9 |
19:22:03 |
19-May-69 |
|
TV transmission started. |
027:00:48 |
19:49:48 |
19-May-69 |
|
TV transmission ended. |
027:28:31 |
20:17:31 |
19-May-69 |
|
High-gain antenna reacquisition test. |
028:50 |
21:39 |
19-May-69 |
|
TV transmission started (recorded). |
048:00:51 |
16:49:51 |
20-May-69 |
|
TV transmission ended. |
048:15:30 |
17:04:30 |
20-May-69 |
|
TV transmission started (recorded). |
048:24:00 |
17:13:00 |
20-May-69 |
|
TV transmission ended. |
048:27:51 |
17:16:51 |
20-May-69 |
|
TV transmission started. |
049:54:00 |
18:43:00 |
20-May-69 |
|
TV transmission ended. |
049:58:49 |
18:47:49 |
20-May-69 |
|
TV transmission started. |
053:35:30 |
22:24:30 |
20-May-69 |
|
TV transmission ended. |
054:00:30 |
22:49:30 |
20-May-69 |
|
Equigravisphere. |
061:50:50 |
06:39:50 |
21-May-69 |
|
TV transmission started. |
072:37:26 |
17:26:26 |
21-May-69 |
|
TV transmission ended. |
072:54:42 |
17:43:42 |
21-May-69 |
|
Lunar orbit insertion ignition. |
075:55:54.0 |
20:44:54 |
21-May-69 |
|
Lunar orbit insertion cutoff. |
076:01:50.1 |
20:50:50 |
21-May-69 |
|
Lunar surface observations. |
076:30 |
21:19 |
21-May-69 |
|
S-IVB closest approach to lunar surface. |
078:51:03.6 |
23:40:03 |
21-May-69 |
|
Lunar orbit circularization ignition. |
080:25:08.1 |
01:14:08 |
22-May-69 |
|
Lunar orbit circularization cutoff. |
080:25:22.0 |
01:14:22 |
22-May-69 |
|
TV transmission started. |
080:44:40 |
01:33:40 |
22-May-69 |
|
Lunar surface observations. |
080:50 |
01:39 |
22-May-69 |
|
TV transmission ended. |
081:13:49 |
02:02:49 |
22-May-69 |
|
LM cabin pressurized. |
081:30 |
02:19 |
22-May-69 |
|
Transfer to LM power and systems checked. |
081:55 |
02:44 |
22-May-69 |
|
Transfer to LM power. Systems tested. |
082:40 |
03:29 |
22-May-69 |
|
Transfer to CM, hatch and tunnel closed. |
084:30 |
05:19 |
22-May-69 |
|
CDR and LMP entered LM to activate systems. |
095:02 |
15:51 |
22-May-69 |
|
Landing gear deployed. |
098:00 |
18:49 |
22-May-69 |
|
CSM/LM undocked. |
098:11:57 |
19:00:57 |
22-May-69 |
|
TV transmission started. |
098:29:20 |
19:18:20 |
22-May-69 |
|
CSM/LM separation maneuver ignition. |
098:47:17.4 |
19:36:17 |
22-May-69 |
|
CSM/LM separation maneuver cutoff. |
098:47:25.7 |
19:36:25 |
22-May-69 |
|
TV transmission ended. |
098:49:30 |
19:38:30 |
22-May-69 |
|
CSM rendezvous radar transponder anomaly. |
098:51:54 |
19:40:54 |
22-May-69 |
|
LM system checks. |
099:00 |
19:49 |
22-May-69 |
|
Descent orbit insertion ignition (SPS). |
099:46:01.6 |
20:35:01 |
22-May-69 |
|
Descent orbit insertion cutoff. |
099:46:29.0 |
20:35:29 |
22-May-69 |
|
LM oriented for radar overpass test. |
100:32:00 |
21:21:00 |
22-May-69 |
|
LM acquisition of radar beam. |
100:32:22 |
21:21:22 |
22-May-69 |
|
LM near-lunar-surface activity. |
100:40 |
21:29 |
22-May-69 |
|
LM closest approach to lunar surface. |
100:41:43 |
21:30:43 |
22-May-69 |
|
Phasing maneuver ignition. |
100:58:25.93 |
21:47:25 |
22-May-69 |
|
Phasing maneuver cutoff. |
100:59:05.88 |
21:48:05 |
22-May-69 |
|
Anomalous motion of LM started. |
102:44:49 |
23:33:49 |
22 May- 69 |
|
LM in rapid roll. |
102:45:12 |
23:34:12 |
22 May -69 |
|
LM ascent stage/descent stage separated. |
102:45:16.9 |
23:34:16 |
22-May-69 |
|
LM ascent stage anomalous motion under control. |
102:45:25 |
23:34:25 |
22 May-69 |
|
Ascent orbit insertion ignition |
102:55:02.13 |
23:44:02 |
22-May-69 |
|
Ascent orbit insertion cutoff. |
102:55:17.68 |
23:44:17 |
22-May-69 |
|
Coelliptic sequence initiation ignition. |
103:45:55.3 |
00:34:55 |
23-May-69 |
|
Coelliptic sequence initiation cutoff. |
103:46:22.6 |
00:35:22 |
23-May-69 |
|
Constant differential height maneuver ignition. |
104:43:53.28 |
01:32:53 |
23-May-69 |
|
Constant differential height maneuver cutoff. |
104:43:54.93 |
01:32:54 |
23-May-69 |
|
Terminal phase initiation ignition. |
105:22:55.58 |
02:11:55 |
23-May-69 |
|
Terminal phase initiation cutoff. |
105:23:12.08 |
02:12:12 |
23-May-69 |
|
Midcourse correction (lunar orbit). |
105:37:56 |
02:26:56 |
23-May-69 |
|
Midcourse correction (lunar orbit). |
105:52:56 |
02:41:56 |
23-May-69 |
|
Braking maneuver. |
106:05:49 |
02:54:49 |
23-May-69 |
|
CSM/LM docked. |
106:22:02 |
03:11:02 |
23-May-69 |
|
CDR and LMP entered CM. |
106:42 |
03:31 |
23-May-69 |
|
LM closeout activities started. |
107:20 |
04:09 |
23-May-69 |
|
LM ascent stage jettisoned. |
108:24:36 |
05:13:36 |
23-May-69 |
|
LM separation maneuver ignition. |
108:43:23.3 |
05:32:23 |
23-May-69 |
|
LM separation maneuver cutoff. |
108:43:29.8 |
05:32:29 |
23-May-69 |
|
LM ascent propulsion system ignition. |
108:52:05.5 |
05:41:05 |
23-May-69 |
|
LM ascent propulsion system depletion. |
108:56.14.5 |
05:45:14 |
23-May-69 |
|
Terminator-to-terminator strip photographs. |
119:20 |
16:09 |
23-May-69 |
|
Orbital navigation and landmark tracking. |
124:30 |
21:19 |
23-May-69 |
|
Orbital navigation and landmark tracking. |
128:00 |
00:49 |
24-May-69 |
|
TV transmission started. |
132:07:12 |
04:56:12 |
24-May-69 |
|
TV transmission ended. |
132:31:24 |
05:20:24 |
24-May-69 |
|
Target of opportunity photography. |
133:00 |
05:49 |
24-May-69 |
|
Target of opportunity and strip photography. |
134:40 |
07:29 |
24-May-69 |
|
Transearth injection ignition (SPS). |
137:36:28.9 |
10:25:28 |
24-May-69 |
|
Transearth injection cutoff. |
137:39:13.7 |
10:28:13 |
24-May-69 |
|
TV transmission started. |
137:50:51 |
10:39:51 |
24-May-69 |
|
TV transmission ended. |
138:33:54 |
11:22:54 |
24-May-69 |
|
TV transmission started. |
139:30:16 |
12:19:16 |
24-May-69 |
|
TV transmission ended. |
139:37:11 |
12:26:11 |
24-May-69 |
|
TV transmission started. |
147:23:00 |
20:12:00 |
24-May-69 |
|
TV transmission ended. |
147:34:25 |
20:23:25 |
24-May-69 |
|
TV transmission started. |
152:29:19 |
01:18:19 |
25-May-69 |
|
TV transmission ended. |
152:58:24 |
01:47:24 |
25-May-69 |
|
CSM S-band high-gain reflectivity test. |
168:00 |
16:49 |
25-May-69 |
|
TV transmission started. |
173:27:17 |
22:16:17 |
25-May-69 |
|
TV transmission ended. |
173:37:39 |
22:26:39 |
25-May-69 |
|
TV transmission started. |
186:51:49 |
11:40:49 |
26-May-69 |
|
TV transmission ended. |
187:03:42 |
11:52:42 |
26-May-69 |
|
Midcourse correction ignition. |
188:49:58.0 |
13:38:58 |
26-May-69 |
|
Midcourse correction cutoff. |
188:50:04.7 |
13:39:04 |
26-May-69 |
|
Maneuver to entry attitude. |
189:40 |
14:29 |
26-May-69 |
|
CM/SM separation. |
191:33:26 |
16:22:26 |
26-May-69 |
|
Entry. |
191:48:54.5 |
16:37:54 |
26-May-69 |
|
Communication blackout started. |
191:49:12 |
16:38:12 |
26-May-69 |
|
Maximum entry g force (6.78 g). |
191:50:14 |
16:39:14 |
26-May-69 |
|
Visual contact with CM established by recovery forces. |
191:51 |
16:40 |
26-May-69 |
|
Radar contact with CM established by recovery ship. |
191:52 |
16:41 |
26-May-69 |
|
Communication blackout ended. |
191:53:40 |
16:42:40 |
26-May-69 |
|
Drogue parachute deployed |
191:57:18.0 |
16:46:18 |
26-May-69 |
|
Main parachute deployed. |
191:58:05 |
16:47:05 |
26-May-69 |
|
Splashdown (went to apex-up). |
192:03:23 |
16:52:23 |
26-May-69 |
|
Flotation collar inflated. |
192:21 |
17:10 |
26-May-69 |
|
CM hatch opened. |
192:28 |
17:17 |
26-May-69 |
|
Crew in life raft. |
192:31 |
17:20 |
26-May-69 |
|
Crew aboard recovery helicopter. |
192:37 |
17:26 |
26-May-69 |
|
Crew aboard recovery ship. |
192:42 |
17:31 |
26-May-69 |
|
CM aboard recovery ship. |
193:39 |
18:28 |
26-May-69 |
|
CM at Ford Island, Hawaii. |
|
|
31-May-69 |
|
CM deactivation started. |
313:11 |
18:00 |
31-May-69 |
|
CM deactivation completed |
353:07 |
05:56 |
03-Jun-69 |
|
CM arrived in Long Beach, CA |
381:26 |
10:15 |
04-Jun-69 |
|
CM arrived at contractor’s facility in Downey, CA |
|
|
04-Jun-69 |