The Dexes / Satellite Decay / 47604
CelestialObjectDex · Satellite Decay
STARLINK-2021
47604 · 2026-04-03T16:00:00Z
Fixes
184
Observations
184
The record
Everything the slot carries, as measured. Series arrays are drawn above and listed here in full.
| start_utc | 2026-04-03T16:00:00.999936+00:00 |
|---|---|
| end_utc | 2026-07-02T23:12:28.346400+00:00 |
| family | celestialdex |
| norad_id | 47,604 |
| object_name | STARLINK-2021 |
| group | active |
| eccentricity_median | 0.000 |
| inclination_deg_median | 53.037 |
| n_snaps | 184 |
| span_days | 90.300 |
| mean_motion_first | 15.707 |
| mean_motion_last | 16.468 |
| delta_mean_motion | 0.761 |
| altitude_first_km | 356.917 |
| altitude_last_km | 147.736 |
| decay_rate_rev_day2 | 0.005 |
| altitude_decay_km_day | -1.448 |
| 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 | 2026-04-03T16:00:00.999936+00:00 |
| last_utc | 2026-07-02T23:12:28.346400+00:00 |
| last_fix_utc | 2026-07-02T23:12:28.346400+00:00 |
| provisional | false |
| track | [{"utc":"2026-04-03T16:00:00.999936+00:00","mean_motion":15.70692414,"altitude_km":356.917,"eccentricity":0.0003194,"inclination_deg":53.0427},{"utc":"2026-04-03T20:00:01.999008+00:00","mean_motion":1 |
| total_sensor_hits | 0 |
Provenance
- celestrak
Storage: dossier · celestial_storehouse/satellite_decay/47604.json