Voyager Mission Operations Status
Report # 2009-04-24, Week Ending April 24, 2009
Command Transmission &
Verification Operations
Voyager 1 command operations consisted of the uplink of a Command Loss Timer Reset on 04/21 [DOY 111/2155z]. The spacecraft received the command.
There were no command operations in support of Voyager 2 during the period.
Sequence Generation Operations
Continue
sequence development of CCSL B144.
Data Return Operations
Voyager
1 Data Processing and Operations:
There were 82.2 hours of DSN scheduled support for Voyager 1 of which 28.6 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 17. The EDR backlog is
2 days.
Voyager
2 Data Processing and Operations:
There were 56.3 hours of DSN scheduled support for Voyager 2 of which 26.3 hours were large aperture coverage. One schedule change was made on 04/19 [DOY 109] when 2.9 hours of DSS-45 support was released. The total actual support was 53.4 hours of which 26.3 hours were large aperture coverage. There were no 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. Activity included turning on the B&C
gyros on 4/22 [DOY 112].
PROPELLANT/POWER CONSUMABLES
STATUS AS OF THIS REPORT
|
Spacecraft |
Consumption One Week (Gm) |
Propellant Remaining (Kg) |
Output (Watts) |
Margin (Watts) |
|
1 |
4.45 |
26.72 |
278.2 |
29 |
|
2 |
4.81 |
28.42 |
279.5 |
25 |
RANGE, VELOCITY AND ROUND TRIP
LIGHT TIME AS OF 4/24/2009
|
|
Voyager 1 |
Voyager 2 |
|
Distance
from the Sun (Km) |
16,411,000,000 |
13,294,000,000 |
|
Distance
from the Sun (Mi) |
10,197,000,000 |
8,260,000,000 |
|
Distance
from the Earth (Km) |
16,318,000,000 |
13,262,000,000 |
|
Distance
from the Earth (Mi) |
10,139,000,000 |
8,241,000,000 |
|
Total
Distance Traveled Since Launch (Km) |
20,828,000,000 |
19,866,000,000 |
|
Total
Distance Traveled Since Launch (Mi) |
12,942,000,000 |
12,344,000,000 |
|
Velocity
Relative to Sun (Km/sec) |
17.087 |
15.512 |
|
Velocity
Relative to Sun (Mi/hr) |
38,222 |
34,698 |
|
Velocity
Relative to Earth (Km/sec) |
23.503 |
22.496 |
|
Velocity
Relative to Earth (Mi/hr) |
52,575 |
50,322 |
|
Round
Trip Light Time (hh:mm:ss) |
30:13:24 |
24:34:22 |