Voyager Mission Operations Status Report # 2013-02-08,  Week Ending  February 8, 2013

 

Command Transmission & Verification Operations

 

Voyager 1 command operations consisted of the uplink of  PSU INST ON and PSU INST OFF Commands on 02/07 DOY 038/0320z].  The spacecraft received the commands.

 

There were no command operations in support of Voyager 2 during the period due to DSS-43 downtime.

 

Sequence Generation Operations

 

 

Data Return Operations

 

Voyager 1 Data Processing and Operations:

 

There were 58.8 hours of DSN scheduled support for Voyager 1 of which 40.8 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 2.  The EDR backlog is 2 days.

 

 

Voyager 2 Data Processing and Operations:

 

There were 30.3 hours of DSN scheduled support for Voyager 2 of which 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.

 

Voyager 2 performance was nominal during this report period. Activity included a PMPCAL on 2/5 (DOY 036).

 

PROPELLANT/POWER CONSUMABLES STATUS AS OF THIS REPORT

 

 

Spacecraft

Consumption

One Week (Gm)

Propellant

Remaining (Kg)

Output

(Watts)

Margin

(Watts)

1

45.48*

21.51

262.4

28

2

4.74

26.43

263.5

33

                                                            *MAGROL 2013-032/1322

 

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

 

 

Voyager 1

Voyager 2

Distance from the Sun (Km)

18,445,000,000

15,086,000,000

Distance from the Sun (Mi)

11,461,000,000

9,374,000,000

Distance from the Earth (Km)

18,498,000,000

15,192,000,000

Distance from the Earth (Mi)

11,494,000,000

9,440,000,000

Total Distance Traveled Since Launch (Km)

24,880,000,000

23,852,000,000

Total Distance Traveled Since Launch (Mi)

15,460,000,000

14,821,000,000

Velocity Relative to Sun  (Km/sec)

17.041

15.432

Velocity Relative to Sun  (Mi/hr)

38,120

34,520

Velocity Relative to Earth  (Km/sec)

22.303

29.851

Velocity Relative to Earth  (Mi/hr)

49,889

66,774

Round Trip Light Time (hh:mm:ss)

34:15:40

28:08:58