The Dexes / Satellite Decay / 40001
CelestialObjectDex · Satellite Decay
COSMOS 2500 [GLONASS-M]
40001 · 2026-04-02T22:59:49Z
Fixes
109
Observations
109
The record
Everything the slot carries, as measured. Series arrays are drawn above and listed here in full.
| start_utc | 2026-04-02T22:59:49.674048+00:00 |
|---|---|
| end_utc | 2026-08-09T12:48:16.998048+00:00 |
| family | celestialdex |
| norad_id | 40,001 |
| object_name | COSMOS 2500 [GLONASS-M] |
| group | active |
| eccentricity_median | 0.001 |
| inclination_deg_median | 65.227 |
| n_snaps | 109 |
| span_days | 128.575 |
| mean_motion_first | 2.131 |
| mean_motion_last | 2.131 |
| delta_mean_motion | 0.000 |
| altitude_first_km | 19129.574 |
| altitude_last_km | 19129.571 |
| 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 | 2026-04-02T22:59:49.674048+00:00 |
| last_utc | 2026-08-09T12:48:16.998048+00:00 |
| last_fix_utc | 2026-08-09T12:48:16.998048+00:00 |
| provisional | false |
| track | [{"utc":"2026-04-02T22:59:49.674048+00:00","mean_motion":2.13105929,"altitude_km":19129.574,"eccentricity":0.00051372,"inclination_deg":65.2756},{"utc":"2026-04-07T04:21:19.648224+00:00","mean_motion" |
| total_sensor_hits | 0 |
Provenance
- celestrak
Storage: dossier · celestial_storehouse/satellite_decay/40001.json