Voyager Mission Operations Status
Report # 2009-02-06, Week Ending February 06, 2009
Command Transmission &
Verification Operations
Voyager 1 command operations consisted of the uplink of a Command Loss Timer Reset on 02/02 [DOY 033/1530z]. The spacecraft received the command
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 60.7 hours of DSN scheduled support for Voyager 1 of which 29.0 hours were large aperture coverage. There were no real-time or schedule support changes made during the period.
There were three significant outages during the period caused by weather over DSS-65. The first outage of 4.2 hours occurred on 02/01 [DOY 032, DR M105224]. The second outage of 1.3 hours occurred the next day on 02/02 [DOY 033, DR M105232]. The third outage of 2.4 hours occurred on 02/06 [DOY 037, DR M105236].
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 31. The EDR backlog is 2 days.
Voyager
2 Data Processing and Operations:
There were 33.8 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 1 days.
Flight System Performance
Voyager
1 performance was nominal during this report period. Activities included a PMPCAL on 2/4 [DOY
035] and a MAGROL followed by Gyros OFF
on 2/6 [DOY 037].
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 |
5.06 |
26.87 |
278.9 |
20 |
|
2 |
4.61 |
28.52 |
280.5 |
35 |
RANGE, VELOCITY AND ROUND TRIP
LIGHT TIME AS OF 2/6/2009
|
|
Voyager 1 |
Voyager 2 |
|
Distance
from the Sun (Km) |
16,298,000,000 |
13,195,000,000 |
|
Distance
from the Sun (Mi) |
10,127,000,000 |
8,199,000,000 |
|
Distance
from the Earth (Km) |
16,354,000,000 |
13,305,000,000 |
|
Distance
from the Earth (Mi) |
10,162,000,000 |
8,267,000,000 |
|
Total
Distance Traveled Since Launch (Km) |
20,693,000,000 |
19,699,000,000 |
|
Total
Distance Traveled Since Launch (Mi) |
12,858,000,000 |
12,241,000,000 |
|
Velocity
Relative to Sun (Km/sec) |
17.091 |
15.517 |
|
Velocity
Relative to Sun (Mi/hr) |
38,231 |
34,710 |
|
Velocity
Relative to Earth (Km/sec) |
22.650 |
30.196 |
|
Velocity
Relative to Earth (Mi/hr) |
50,666 |
67,545 |
|
Round
Trip Light Time (hh:mm:ss) |
30:17:22 |
24:39:08 |