Voyager Mission Operations Status
Report # 2012-05-11, Week Ending May 11, 2012
Command Transmission &
Verification Operations
Voyager
1 command operations consisted of the uplink of a Command Loss Timer Reset on 05/10
[DOY 131/0120z]. The spacecraft received
the command.
Voyager
2 command operations consisted of the uplink of a Command Loss Timer Reset and
CCSL B156 on 05/06 [DOY 127/1545z] and the uplink of a
EL-40 CCS FMRO on 05/08 [DOY 129/1542z].
The spacecraft received all commands sent and the CCSL and MRO were verified.
Sequence Generation Operations
Data Return Operations
Voyager
1 Data Processing and Operations:
There were 50.6 hours of DSN scheduled support for
Voyager 1 of which 37.3 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 May 11. The EDR backlog is 1 days.
Voyager
2 Data Processing and Operations:
There were 40.3 hours of DSN scheduled support for
Voyager 2 of which 25.1 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. Activities included LECP observations on DOY
126, 128,129,130, and 131
Voyager
2 performance was nominal during this report period. Activity included switching to X-Band low
power on 5/9 (DOY 130).
PROPELLANT/POWER CONSUMABLES STATUS
AS OF THIS REPORT
|
Spacecraft |
Consumption One Week (Gm) |
Propellant Remaining (Kg) |
Output (Watts) |
Margin (Watts) |
|
1 |
411.82* |
22.90 |
265.5 |
28 |
|
2 |
6.70 |
26.83 |
266.7 |
37 |
*MAGROL
2012/125 and six LECP Observations on 2012/126, 128, 129, 130, & 131
RANGE, VELOCITY AND ROUND TRIP LIGHT
TIME AS OF THIS REPORT
|
|
Voyager 1 |
Voyager 2 |
|
Distance
from the Sun (Km) |
18,044,000,000 |
14,732,000,000 |
|
Distance
from the Sun (Mi) |
11,212,000,000 |
9,154,000,000 |
|
Distance
from the Earth (Km) |
17,932,000,000 |
14,668,000,000 |
|
Distance
from the Earth (Mi) |
1,142,000,000 |
9,114,000,000 |
|
Total
Distance Traveled Since Launch (Km) |
24,003,000,000 |
23,011,000,000 |
|
Total
Distance Traveled Since Launch (Mi) |
14,915,000,000 |
14,298,000,000 |
|
Velocity
Relative to Sun (Km/sec) |
17.047 |
15.044 |
|
Velocity
Relative to Sun (Mi/hr) |
38,132 |
34,546 |
|
Velocity
Relative to Earth (Km/sec) |
27.033 |
23.554 |
|
Velocity
Relative to Earth (Mi/hr) |
60,470 |
52,688 |
|
Round
Trip Light Time (hh:mm:ss) |
33:12:48 |
27:10:44 |