Voyager Mission Operations Status Report # 2013-11-22  Week Ending  November 22, 2013

 

Command Transmission & Verification Operations

 

Voyager 1 command operations consisted of the uplink of a Command Loss Timer Reset, RE-ENA BL X-Lo ECR, TLMPRG and SID MROs on 11/17 [DOY 321/1310z].  The spacecraft received all commands sent. The RE-ENA BL X-lo ECR, TLMPRG and the SID MROs were verified.

 

Voyager 2 command operations consisted of the uplink of a Command Loss Timer Reset and CCSA, CCSB MRO on 11/17 [DOY 321/0500z].  The Command Loss Timer Reset was not sent due to an antenna halt at DSS-43, DR C109615. The antenna was back on point and the CCSA and CCSB MRO were radiated as scheduled.  The spacecraft received all commands sent and the MROs were verified.

 

Sequence Generation Operations

 

Continue sequence development of CCSL A090.

 

Data Return Operations

 

Voyager 1 Data Processing and Operations:

 

There were 45.6 hours of DSN scheduled support for Voyager 1 of which 45.6 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 November 22.  The EDR backlog is 2 days.

 

Voyager 2 Data Processing and Operations:

 

There were 53.3 hours of DSN scheduled support for Voyager 2 of which 41.1 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 AACS/FDS/CCS memory readouts in EL-40 (40 bps) on 11/17 (DOY 321).

 

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

5.77

19.60

259.2

22.8

2

5.12

25.97

260.4

31.8

 

 

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

 

 

Voyager 1

Voyager 2

Distance from the Sun (Km)

18,865,000,000

15,458,000,000

Distance from the Sun (Mi)

11,722,000,000

9,605,000,000

Distance from the Earth (Km)

18,982,000,000

15,536,000,000

Distance from the Earth (Mi)

11,795,000,000

9,654,000,000

Total Distance Traveled Since Launch (Km)

25,179,000,000

24,646,000,000

Total Distance Traveled Since Launch (Mi)

15,980,000,000

15,314,000,000

Velocity Relative to Sun  (Km/sec)

17.036

15.421

Velocity Relative to Sun  (Mi/hr)

38,107

34,496

Velocity Relative to Earth  (Km/sec)

38.730

40.650

Velocity Relative to Earth  (Mi/hr)

86,636

90,932

Round Trip Light Time (hh:mm:ss)

35:09:38

28:47:26