Juno - Jupiter Orbit Insertion
JOI Timeline (All times UTC)
Event |
Date |
Time(Spacecraft) |
Time(Earth Receive) |
Main Engine Cover Opening |
June 20 |
|
|
Propellant Tank Thermal Conditioning |
June 27 |
|
|
Opening of Propellant Valves to Leros 1b |
June 27 |
|
|
Propellant System Pressurization |
June 28 |
|
|
Deactivation of Science Instruments |
June 29 |
|
|
JOI Command Sequence enabled |
June 30 |
|
|
Comms to Medium Gain Antenna, Start Tones |
July 5 |
00:25 |
01:13 |
Slow Attitude Maneuver to 15° Off-Sun Angle |
July 5 |
00:28 |
01:16 |
Fast Attitude Maneuver to JOI Orientation |
July 5 |
01:40 |
02:28 |
Comms to Low Gain Antenna |
July 5 |
01:53 |
02:41 |
Initiate Active Nutation Dampening, Null Body Rates |
July 5 |
01:57 |
02:45 |
Fine Adjustment of JOI Attitude |
July 5 |
02:02 |
02:50 |
Spin Up to 2 to 5 RPM |
July 5 |
02:08 |
02:56 |
Start Jupiter Orbit Insertion Burn |
July 5 |
02:30 |
03:18 |
JOI: 35 Minutes, 541.7m/s |
July 5 |
02:30 |
03:18 |
Safe Orbit Capture |
July 5 |
02:50 |
03:38 |
End Jupiter Orbit Insertion Burn |
July 5 |
03:05 |
03:53 |
Close Tank Pressurant Valves |
July 5 |
03:05 |
03:53 |
Spin Down |
July 5 |
03:07 |
03:55 |
Attitude Maneuver to Sun-Pointed Orientation |
July 5 |
03:19 |
04:07 |
Comms to Medium Gain Antenna |
July 5 |
03:23 |
04:11 |
Start Telemetry Transmission (>20 min to Telemetry Lock) |
July 5 |
03:28 |
04:16 |
JOI Phase Ends, Transition to Capture Orbit Phase |
July 5 |
05:00 |
05:48 |