Voyager Mission Operations Status
Report # 2012-04-13, Week Ending April 13, 2012
Command Transmission &
Verification Operations
Voyager
1 command operations consisted of the uplink of a Command Loss Timer Reset on
04/11 [DOY 102/0000z]. The spacecraft
received the command.
Voyager
2 command operations consisted of the uplink of a Command Loss Timer Reset,
CCSL B155B, MEMUPDs & MRO and TLMPRG on 04/11 [DOY 102/1545z]. The spacecraft received all commands sent and
all commands were verified.
Sequence Generation Operations
Continue
sequence development of CCSL B156.
Data Return Operations
Voyager
1 Data Processing and Operations:
There were 38.4 hours of DSN scheduled support for
Voyager 1 of which 33.8 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
April 13. The EDR backlog is 1 days.
Voyager
2 Data Processing and Operations:
There were 31.8 hours of DSN scheduled support for
Voyager 2 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. The EDR backlog is 2 days.
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 |
5.14 |
23.43 |
265.8 |
28 |
|
2 |
5.07 |
26.90 |
267.0 |
33 |
RANGE, VELOCITY AND ROUND TRIP LIGHT
TIME AS OF THIS REPORT
|
|
Voyager 1 |
Voyager 2 |
|
Distance
from the Sun (Km) |
18,003,000,000 |
14,696,000,000 |
|
Distance
from the Sun (Mi) |
11,187,000,000 |
9,132,000,000 |
|
Distance
from the Earth (Km) |
17,927,000,000 |
14,688,000,000 |
|
Distance
from the Earth (Mi) |
11,139,000,000 |
9,127,000,000 |
|
Total
Distance Traveled Since Launch (Km) |
23,945,000,000 |
22,956,000,000 |
|
Total
Distance Traveled Since Launch (Mi) |
14,879,000,000 |
14,264,000,000 |
|
Velocity
Relative to Sun (Km/sec) |
17.047 |
15.445 |
|
Velocity
Relative to Sun (Mi/hr) |
38,133 |
34,549 |
|
Velocity
Relative to Earth (Km/sec) |
21.585 |
22.447 |
|
Velocity
Relative to Earth (Mi/hr) |
48,284 |
50,212 |
|
Round
Trip Light Time (hh:mm:ss) |
33:12:16 |
27:12:56 |