Voyager Mission Operations Status
Report # 2009-01-23, Week Ending January23, 2009
Command Transmission &
Verification Operations
There were no command operations in
support of Voyager 1 during the period
There were no command operations in support of Voyager 2 during the period due to the extended downtime of DSS-43.
Sequence Generation Operations
No
sequence development activities during this report period.
Data Return Operations
Voyager
1 Data Processing and Operations:
There were 61.6 hours of DSN scheduled support for Voyager 1 of which 27.8 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 January 23. The EDR backlog
is 2 days.
Voyager
2 Data Processing and Operations:
There were 31.3 hours of DSN scheduled support for Voyager 2 of which 0 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 day.
Flight System Performance
Voyager
1 performance was nominal during this report period.
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 |
5.16 |
26.88 |
279.1 |
33 |
|
2 |
4.70 |
28.53 |
280.5 |
35 |
RANGE, VELOCITY AND ROUND TRIP
LIGHT TIME AS OF 1/23/2009
|
|
Voyager 1 |
Voyager 2 |
|
Distance
from the Sun (Km) |
16,278,000,000 |
13,176,000,000 |
|
Distance
from the Sun (Mi) |
10,114,000,000 |
8,187,000,000 |
|
Distance
from the Earth (Km) |
16,358,000,000 |
13,297,000,000 |
|
Distance
from the Earth (Mi) |
10,164,000,000 |
8,263,000,000 |
|
Total
Distance Traveled Since Launch (Km) |
20,664,000,000 |
19,661,000,000 |
|
Total
Distance Traveled Since Launch (Mi) |
12,840,000,000 |
12,217,000,000 |
|
Velocity
Relative to Sun (Km/sec) |
17.092 |
15.518 |
|
Velocity
Relative to Sun (Mi/hr) |
38,232 |
34,713 |
|
Velocity
Relative to Earth (Km/sec) |
25.553 |
32.633 |
|
Velocity
Relative to Earth (Mi/hr) |
57,159 |
72,996 |
|
Round
Trip Light Time (hh:mm:ss) |
30:17:50 |
24:38:22 |