Voyager Mission Operations Status
Report # 2012-02-03, Week Ending February 3, 2012
Command Transmission &
Verification Operations
Voyager
1 command operations consisted of the uplink of a Command Loss Timer Reset on 01/27
[DOY 027/1430z]. The spacecraft received
the command.
Voyager
2 command operations consisted of the uplink of seven bracketed Command Loss
Timer Resets sent on five-minute centers using 0.5 Hz steps on 01/31 [DOY 031/2042z].
The spacecraft received three of the seven commands sent.
Sequence Generation Operations
Continue
sequence development of CCSL A082B.
Data Return Operations
Voyager
1 Data Processing and Operations:
There were 49.8 hours of DSN scheduled support for
Voyager 1 of which 42.8 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
February 3. The EDR backlog is 2 days.
Voyager
2 Data Processing and Operations:
There were 31.8 hours of DSN scheduled support for
Voyager 2 of which 26.3 hours were large aperture coverage. There were no real-time or schedule support
changes made during the period.
There
was one significant outage of 1.2 hours on 02/02 [DOY 033] due to DSS-45 using
the HEMT due to a Red Maser [DR C108504] and rain [DR C108505]..
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 LECP
Observations on 1/30 (DOY 030 and 031), a PMPCAL on 2/1 (DOY 032), and a
MAGROL, Gyros OFF, and X-Band low power on 2/3 (DOY 034).
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 |
121.06* |
23.56 |
266.6 |
19 |
|
2 |
4.49 |
26.99 |
267.9 |
39 |
*LECP
Observations, 2012-030 and 2012-031
RANGE, VELOCITY AND ROUND TRIP LIGHT
TIME AS OF THIS REPORT
|
|
Voyager 1 |
Voyager 2 |
|
Distance
from the Sun (Km) |
17,900,000,000 |
14,606,000,000 |
|
Distance
from the Sun (Mi) |
11,123,000,000 |
9,075,000,000 |
|
Distance
from the Earth (Km) |
17,964,000,000 |
14,717,000,000 |
|
Distance
from the Earth (Mi) |
11,162,000,000 |
9,145,000,000 |
|
Total
Distance Traveled Since Launch (Km) |
23,823,000,000 |
22,801,000,000 |
|
Total
Distance Traveled Since Launch (Mi) |
14,803,000,000 |
14,168,000,000 |
|
Velocity
Relative to Sun (Km/sec) |
17.049 |
15.448 |
|
Velocity
Relative to Sun (Mi/hr) |
38,137 |
34,556 |
|
Velocity
Relative to Earth (Km/sec) |
23.375 |
30.825 |
|
Velocity
Relative to Earth (Mi/hr) |
52,289 |
68,953 |
|
Round
Trip Light Time (hh:mm:ss) |
33:16:22 |
27:16:16 |