The Dexes / Satellite Decay / 52461
CelestialObjectDex · Satellite Decay
STARLINK-3900
52461 · 2026-04-02T07:42:13Z
Fixes
198
Sensor hits
0
Observations
198
The record
Everything the slot carries, as measured. Series arrays are drawn above and listed here in full.
| start_utc | 2026-04-02T07:42:13.244832+00:00 |
|---|---|
| end_utc | 2026-08-09T19:58:21.972864+00:00 |
| family | celestialdex |
| norad_id | 52,461 |
| object_name | STARLINK-3900 |
| group | active |
| eccentricity_median | 0.000 |
| inclination_deg_median | 53.161 |
| n_snaps | 198 |
| span_days | 129.511 |
| mean_motion_first | 15.088 |
| mean_motion_last | 15.335 |
| delta_mean_motion | 0.247 |
| altitude_first_km | 539.726 |
| altitude_last_km | 465.274 |
| decay_rate_rev_day2 | 0.001 |
| altitude_decay_km_day | -0.443 |
| 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 | 2026-04-02T07:42:13.244832+00:00 |
| last_utc | 2026-08-09T19:58:21.972864+00:00 |
| last_fix_utc | 2026-08-09T19:58:21.972864+00:00 |
| provisional | false |
| track | [{"utc":"2026-04-02T07:42:13.244832+00:00","mean_motion":15.08845611,"altitude_km":539.726,"eccentricity":0.00012865,"inclination_deg":53.218},{"utc":"2026-04-03T18:40:43.103424+00:00","mean_motion":1 |
Provenance
- celestrak
Storage: dossier · celestial_storehouse/satellite_decay/52461.json