Voyager Mission Operations Status
Report # 2012-06-22, Week Ending June 22, 2012
Command Transmission &
Verification Operations
There were
no command operations in support of Voyager 1 during the period.
Voyager
2 command operations consisted of the uplink of seven bracketed Command Loss
Timer Resets sent on five-minute centers using 1.0 Hz steps on 06/18 [DOY 170/1952z].
The spacecraft received one of the seven commands sent.
Sequence Generation Operations
Data Return Operations
Voyager
1 Data Processing and Operations:
There were 47.2 hours of DSN scheduled support for
Voyager 1 of which 42.3 hours were large aperture coverage. There were no real-time or schedule support
changes made or significant outages during the period.
Science instrument performance was nominal for all
activities during this period. One frame
of GS-4 data was recorded this week. A
second frame of GS-4 data was recorded on June 22. The EDR backlog is 2 days.
Voyager
2 Data Processing and Operations:
There were 52.7 hours of DSN scheduled support for
Voyager 2 of which 11.4 hours were large aperture coverage. There were no real-time or schedule support
changes made or significant outages during the period.
Science
instrument performance was nominal for all activities during this period. The EDR backlog is 2 days.
Flight System Performance
Voyager
1 performance was nominal during this report period. Activity included a PMPCAL on 6/18 (DOY 172).
Voyager
2 performance was nominal during this report period.
PROPELLANT/POWER CONSUMABLES STATUS
AS OF THIS REPORT
|
Spacecraft |
Consumption One Week (Gm) |
Propellant Remaining (Kg) |
Output (Watts) |
Margin (Watts) |
|
1 |
4.32 |
22.87 |
265.0 |
26 |
|
2 |
54.43* |
26.75 |
266.2 |
33 |
*MAGROL
2012/167
RANGE, VELOCITY AND ROUND TRIP LIGHT
TIME AS OF THIS REPORT
|
|
Voyager 1 |
Voyager 2 |
|
Distance
from the Sun (Km) |
18,106,000,000 |
14,787,000,000 |
|
Distance
from the Sun (Mi) |
11,250,000,000 |
9,188,000,000 |
|
Distance
from the Earth (Km) |
17,986,000,000 |
14,668,000,000 |
|
Distance
from the Earth (Mi) |
11,176,000,000 |
9,114,000,000 |
|
Total
Distance Traveled Since Launch (Km) |
24,118,000,000 |
23,106,000,000 |
|
Total
Distance Traveled Since Launch (Mi) |
14,986,000,000 |
14,357,000,000 |
|
Velocity
Relative to Sun (Km/sec) |
17.046 |
15.442 |
|
Velocity
Relative to Sun (Mi/hr) |
38,130 |
34,541 |
|
Velocity
Relative to Earth (Km/sec) |
35.784 |
29.216 |
|
Velocity
Relative to Earth (Mi/hr) |
80,046 |
65,353 |
|
Round
Trip Light Time (hh:mm:ss) |
33:18:58 |
27:10:44 |