Voyager 2 Power Cycled in 2020
Work in progress. Last update 2026-08-06 03:24

Timeline

Date (SCET) Event
2020:025:09:13 MAGROL GY OFF/PWRCHK ANOMALY 026/02:30 ERT
2020:027:15:13 PWR RECOV CMND RECEIVED 028/08:22 ERT, SM-40 mode, no mrt data
2020:029:00:09 SM-40 to EL-40 mode, no mrt data
2020:033:08:33 EL-40 to CR-5T mode
2020:036:00:32 LECP RECONFIG

Temperature Plots

There is no mrt data when the spacecraft is in SM-40 and EL-40 modes. The JPL values in the plots are extracted from the file 20-023.033_PWRCHK_ANOMALY_32_TEMPS.pdf The LEMPA temperature in the mrt files does not agree with the JPL values for Voyager 2, so the plot uses E-0453 raw DN values converted to temperatures. The conversions of DN to temperature are based on only a few points.

Low Voltages

E-0454 (LP LEPT-6), E-0474 (LP LEPT+6), E-0466 (LP BILOW), E-0468 (LP BIHIGH), and E-0467 (LP LEP+12) were zero for several days after the PWRCHK anomaly. The remaining low voltages changed but did not go to zero. See 20-023.033_PWRCHK_ANOMALY_32_PWR_Sci-Instruments.pdf Plots of a wider time period are coming.