The Dexes / Satellite Decay / 53498
CelestialObjectDex · Satellite Decay
STARLINK-4439
53498 · 2026-04-03T14:07:32Z
Fixes
279
Observations
279
The record
Everything the slot carries, as measured. Series arrays are drawn above and listed here in full.
| start_utc | 2026-04-03T14:07:32.159424+00:00 |
|---|---|
| end_utc | 2026-08-23T19:12:45.925056+00:00 |
| family | celestialdex |
| norad_id | 53,498 |
| object_name | STARLINK-4439 |
| group | active |
| eccentricity_median | 0.000 |
| inclination_deg_median | 97.379 |
| n_snaps | 279 |
| span_days | 142.212 |
| mean_motion_first | 15.056 |
| mean_motion_last | 15.334 |
| delta_mean_motion | 0.278 |
| altitude_first_km | 549.537 |
| altitude_last_km | 465.553 |
| decay_rate_rev_day2 | 0.002 |
| altitude_decay_km_day | -0.679 |
| 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 | 2026-04-03T14:07:32.159424+00:00 |
| last_utc | 2026-08-23T19:12:45.925056+00:00 |
| last_fix_utc | 2026-08-23T19:12:45.925056+00:00 |
| provisional | false |
| track | [{"utc":"2026-04-03T14:07:32.159424+00:00","mean_motion":15.05641712,"altitude_km":549.537,"eccentricity":0.00008648,"inclination_deg":97.6023},{"utc":"2026-04-03T20:30:20.100384+00:00","mean_motion": |
| total_sensor_hits | 0 |
Provenance
- celestrak
Storage: dossier · celestial_storehouse/satellite_decay/53498.json