Voyager Mission Operations Status Report # 2012-03-30, Week Ending March 30, 2012

 

Command Transmission & Verification Operations

 

There were no command operations in support of Voyager 1 during the period.

 

There were no command operations in support of Voyager 2 during the period.

 

Sequence Generation Operations

 

Complete sequence development of CCSL B155B.

 

Data Return Operations

 

Voyager 1 Data Processing and Operations:

 

There were 30.5 hours of DSN scheduled support for Voyager 1 of which 9.8 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 March 30.  The EDR backlog is 2 days.

 

 

Voyager 2 Data Processing and Operations:

 

There were 34.4 hours of DSN scheduled support for Voyager 2 of which 4.0 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 2 days.

 

Flight System Performance

 

Voyager 1 performance was nominal during this report period.  Activity included a PMPCAL on 3/28 (DOY 088).

 

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

5.84

23.44

266.0

28

2

5.71

26.91

267.2

33

 

 

RANGE, VELOCITY AND ROUND TRIP LIGHT TIME AS OF THIS REPORT

 

 

Voyager 1

Voyager 2

Distance from the Sun (Km)

17,983,000,000

14,678,000,000

Distance from the Sun (Mi)

11,173,000,000

9,120,000,000

Distance from the Earth (Km)

17,932,000,000

14,700,000,000

Distance from the Earth (Mi)

11,142,000,000

9,134,000,000

Total Distance Traveled Since Launch (Km)

23,920,000,000

22,929,000,000

Total Distance Traveled Since Launch (Mi)

14,863,000,000

14,247,000,000

Velocity Relative to Sun  (Km/sec)

17.048

15.446

Velocity Relative to Sun  (Mi/hr)

38,134

34,550

Velocity Relative to Earth  (Km/sec)

19.730

23.046

Velocity Relative to Earth  (Mi/hr)

44,135

51,552

Round Trip Light Time (hh:mm:ss)

33:12:46

27:14:14