The Dexes / Satellite Decay / 50820
CelestialObjectDex · Satellite Decay
STARLINK-3339
50820 · 2026-04-03T14:10:26Z
Fixes
230
Observations
230
The record
Everything the slot carries, as measured. Series arrays are drawn above and listed here in full.
| start_utc | 2026-04-03T14:10:26.511168+00:00 |
|---|---|
| end_utc | 2026-08-23T10:02:12.579360+00:00 |
| family | celestialdex |
| norad_id | 50,820 |
| object_name | STARLINK-3339 |
| group | active |
| eccentricity_median | 0.000 |
| inclination_deg_median | 53.162 |
| n_snaps | 230 |
| span_days | 141.828 |
| mean_motion_first | 15.088 |
| mean_motion_last | 15.317 |
| delta_mean_motion | 0.229 |
| altitude_first_km | 539.727 |
| altitude_last_km | 470.723 |
| decay_rate_rev_day2 | 0.002 |
| altitude_decay_km_day | -0.524 |
| 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 | 2026-04-03T14:10:26.511168+00:00 |
| last_utc | 2026-08-23T10:02:12.579360+00:00 |
| last_fix_utc | 2026-08-23T10:02:12.579360+00:00 |
| provisional | false |
| track | [{"utc":"2026-04-03T14:10:26.511168+00:00","mean_motion":15.08845398,"altitude_km":539.727,"eccentricity":0.00011027,"inclination_deg":53.2177},{"utc":"2026-04-04T06:04:19.343424+00:00","mean_motion": |
| total_sensor_hits | 0 |
Provenance
- celestrak
Storage: dossier · celestial_storehouse/satellite_decay/50820.json