Voyager Mission Operations Status Report # 2014-03-21  Week Ending  March 21, 2014.

 

Command Transmission & Verification Operations

 

Voyager 1 command operations consisted of the uplink of a Command Loss Timer Reset on 03/19 [DOY 078/1700z].  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 A091.

 

Data Return Operations

 

Voyager 1 Data Processing and Operations:

 

There were 50.2 hours of DSN scheduled support for Voyager 1 of which 37.9 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.  The second frame of GS-4 data was recorded on March 20.  The third frame of GS-4 data was recorded on March 15.  The EDR backlog is 2 days.

 

Voyager 2 Data Processing and Operations:

 

There were 57.5 hours of DSN scheduled support for Voyager 2 of which 38.2 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 switching to X-Band low power on 3/19 (DOY 078).

 

PROPELLANT/POWER CONSUMABLES STATUS AS OF THIS REPORT

 

 

Spacecraft

Consumption

One Week (Gm)

Propellant

Remaining (Kg)

Output

(Watts)

Margin

(Watts)

1

6.16

19.10

257.9

30.1

2

59.16*

25.77

259.1

30.1

                                                          *MAGROL 2014/072

 

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

 

 

Voyager 1

Voyager 2

Distance from the Sun (Km)

19,040,000,000

15,612,000,000

Distance from the Sun (Mi)

11,831,0000,000

9,701,000,000

Distance from the Earth (Km)

19,009,000,000

15,653,000,000

Distance from the Earth (Mi)

11,812,000,000

9,726,000,000

Total Distance Traveled Since Launch (Km)

25,995,000,000

24,982,000,000

Total Distance Traveled Since Launch (Mi)

16,153,000,000

15,523,000,000

Velocity Relative to Sun  (Km/sec)

17.034

15.417

Velocity Relative to Sun  (Mi/hr)

38,103

34,488

Velocity Relative to Earth  (Km/sec)

19.031

23.869

Velocity Relative to Earth  (Mi/hr)

42,571

53,394

Round Trip Light Time (hh:mm:ss)

35:12:28

29:00:14