The Dexes / Satellite Decay / 51865
CelestialObjectDex · Satellite Decay
STARLINK-3503
51865 · 2026-04-03T14:31:39Z
Fixes
213
Observations
213
The record
Everything the slot carries, as measured. Series arrays are drawn above and listed here in full.
| start_utc | 2026-04-03T14:31:39.160704+00:00 |
|---|---|
| end_utc | 2026-08-09T20:00:01.999008+00:00 |
| family | celestialdex |
| norad_id | 51,865 |
| object_name | STARLINK-3503 |
| group | active |
| eccentricity_median | 0.000 |
| inclination_deg_median | 53.162 |
| n_snaps | 213 |
| span_days | 128.228 |
| mean_motion_first | 15.088 |
| mean_motion_last | 15.352 |
| delta_mean_motion | 0.263 |
| altitude_first_km | 539.760 |
| altitude_last_km | 460.403 |
| decay_rate_rev_day2 | 0.001 |
| altitude_decay_km_day | -0.417 |
| 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 | 2026-04-03T14:31:39.160704+00:00 |
| last_utc | 2026-08-09T20:00:01.999008+00:00 |
| last_fix_utc | 2026-08-09T20:00:01.999008+00:00 |
| provisional | false |
| track | [{"utc":"2026-04-03T14:31:39.160704+00:00","mean_motion":15.0883448,"altitude_km":539.76,"eccentricity":0.00013609,"inclination_deg":53.2158},{"utc":"2026-04-04T17:33:12.371616+00:00","mean_motion":15 |
| total_sensor_hits | 0 |
Provenance
- celestrak
Storage: dossier · celestial_storehouse/satellite_decay/51865.json