The Dexes / Satellite Decay / 44424
CelestialObjectDex · Satellite Decay
COSMOS 2538
44424 · 2026-04-03T14:23:23Z
Fixes
310
Observations
310
The record
Everything the slot carries, as measured. Series arrays are drawn above and listed here in full.
| start_utc | 2026-04-03T14:23:23.253216+00:00 |
|---|---|
| end_utc | 2026-08-09T20:32:24.510336+00:00 |
| family | celestialdex |
| norad_id | 44,424 |
| object_name | COSMOS 2538 |
| group | active |
| eccentricity_median | 0.004 |
| inclination_deg_median | 97.588 |
| n_snaps | 310 |
| span_days | 128.256 |
| mean_motion_first | 15.199 |
| mean_motion_last | 15.212 |
| delta_mean_motion | 0.013 |
| altitude_first_km | 506.193 |
| altitude_last_km | 502.159 |
| decay_rate_rev_day2 | 0.000 |
| altitude_decay_km_day | -0.033 |
| 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 | 2026-04-03T14:23:23.253216+00:00 |
| last_utc | 2026-08-09T20:32:24.510336+00:00 |
| last_fix_utc | 2026-08-09T20:32:24.510336+00:00 |
| provisional | false |
| track | [{"utc":"2026-04-03T14:23:23.253216+00:00","mean_motion":15.19883281,"altitude_km":506.193,"eccentricity":0.00414203,"inclination_deg":97.5901},{"utc":"2026-04-03T20:42:36.184320+00:00","mean_motion": |
| total_sensor_hits | 0 |
Provenance
- celestrak
Storage: dossier · celestial_storehouse/satellite_decay/44424.json