Voyager Mission Operations Status Report # 2012-06-01, Week Ending June 1, 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

 

 

Data Return Operations

 

Voyager 1 Data Processing and Operations:

 

There were 44.4 hours of DSN scheduled support for Voyager 1 of which 16.8 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 June 1.  The EDR backlog is 2 days.

 

Voyager 2 Data Processing and Operations:

 

There were 70.8 hours of DSN scheduled support for Voyager 2 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.  The EDR backlog is 2 days.

 

Flight System Performance

 

Voyager 1 performance was nominal during this report period.  Activity included DTR Maintenance 0n 5/29 (DOY 150).

 

Voyager 2 performance was nominal during this report period.  Activities included a PMPCAL on 5/29 (DOY 150)  and turn on of Gyros A & C on 5/31 DOY 152).

 

PROPELLANT/POWER CONSUMABLES STATUS AS OF THIS REPORT

 

 

Spacecraft

Consumption

One Week (Gm)

Propellant

Remaining (Kg)

Output

(Watts)

Margin

(Watts)

1

5.04

22.88

265.3

28

2

4.94

26.81

266.5

37

 

 

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

 

 

Voyager 1

Voyager 2

Distance from the Sun (Km)

18,074,000,000

14,759,000,000

Distance from the Sun (Mi)

11,230,000,000

9,171,000,000

Distance from the Earth (Km)

17,950,000,000

14,662,000,000

Distance from the Earth (Mi)

11,154,000,000

9,110,000,000

Total Distance Traveled Since Launch (Km)

24,054,000,000

23,056,000,000

Total Distance Traveled Since Launch (Mi)

14,946,000,000

14,326,000,000

Velocity Relative to Sun  (Km/sec)

17.046

15.443

Velocity Relative to Sun  (Mi/hr)

38,131

34,544

Velocity Relative to Earth  (Km/sec)

31.336

26.009

Velocity Relative to Earth  (Mi/hr)

70,096

58,180

Round Trip Light Time (hh:mm:ss)

33:15:02

27:10:02