The Dexes / Satellite Decay / 40922
CelestialObjectDex · Satellite Decay
COSMOS 2509 (RODNIK-S 15)
40922 · 2026-04-03T14:04:34Z
Fixes
345
Observations
345
The record
Everything the slot carries, as measured. Series arrays are drawn above and listed here in full.
| start_utc | 2026-04-03T14:04:34.824288+00:00 |
|---|---|
| end_utc | 2026-08-23T21:44:09.996864+00:00 |
| family | celestialdex |
| norad_id | 40,922 |
| object_name | COSMOS 2509 (RODNIK-S 15) |
| group | active |
| eccentricity_median | 0.001 |
| inclination_deg_median | 82.486 |
| n_snaps | 345 |
| span_days | 142.319 |
| mean_motion_first | 12.429 |
| mean_motion_last | 12.429 |
| delta_mean_motion | 0.000 |
| altitude_first_km | 1494.412 |
| altitude_last_km | 1494.393 |
| 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 | 2026-04-03T14:04:34.824288+00:00 |
| last_utc | 2026-08-23T21:44:09.996864+00:00 |
| last_fix_utc | 2026-08-23T21:44:09.996864+00:00 |
| provisional | false |
| track | [{"utc":"2026-04-03T14:04:34.824288+00:00","mean_motion":12.42881472,"altitude_km":1494.412,"eccentricity":0.00141273,"inclination_deg":82.4848},{"utc":"2026-04-03T19:52:19.771968+00:00","mean_motion" |
| total_sensor_hits | 0 |
Provenance
- celestrak
Storage: dossier · celestial_storehouse/satellite_decay/40922.json