The Dexes / Satellite Decay / 42939
CelestialObjectDex · Satellite Decay
COSMOS 2522 [GLONASS-M]
42939 · 2026-03-28T21:06:38Z
Fixes
147
Sensor hits
0
Observations
147
The record
Everything the slot carries, as measured. Series arrays are drawn above and listed here in full.
| start_utc | 2026-03-28T21:06:38.934720+00:00 |
|---|---|
| end_utc | 2026-08-06T19:16:05.701728+00:00 |
| family | celestialdex |
| norad_id | 42,939 |
| object_name | COSMOS 2522 [GLONASS-M] |
| group | active |
| eccentricity_median | 0.001 |
| inclination_deg_median | 64.079 |
| n_snaps | 147 |
| span_days | 130.923 |
| mean_motion_first | 2.131 |
| mean_motion_last | 2.131 |
| delta_mean_motion | 0.000 |
| altitude_first_km | 19129.914 |
| altitude_last_km | 19129.893 |
| decay_rate_rev_day2 | -0.000 |
| altitude_decay_km_day | 0.000 |
| decay_note | mean_motion slope (rev/day^2) and altitude slope (km/day) from least-squares fit of measured GP elements; altitude from Kepler a=(GM/n^2)^(1/3) - R_earth |
| first_utc | 2026-03-28T21:06:38.934720+00:00 |
| last_utc | 2026-08-06T19:16:05.701728+00:00 |
| last_fix_utc | 2026-08-06T19:16:05.701728+00:00 |
| provisional | false |
| track | [{"utc":"2026-03-28T21:06:38.934720+00:00","mean_motion":2.13101664,"altitude_km":19129.914,"eccentricity":0.00080509,"inclination_deg":64.078},{"utc":"2026-04-06T07:49:54.169824+00:00","mean_motion": |
Provenance
- celestrak
Storage: dossier · celestial_storehouse/satellite_decay/42939.json