The Dexes / Satellite Decay / 60489
CelestialObjectDex · Satellite Decay
FLOCK 4BE-20
60489 · 2026-04-03T04:25:50Z
Fixes
183
Observations
183
The record
Everything the slot carries, as measured. Series arrays are drawn above and listed here in full.
| start_utc | 2026-04-03T04:25:50.020608+00:00 |
|---|---|
| end_utc | 2026-08-09T18:18:12.458016+00:00 |
| family | celestialdex |
| norad_id | 60,489 |
| object_name | FLOCK 4BE-20 |
| group | active |
| eccentricity_median | 0.000 |
| inclination_deg_median | 97.370 |
| n_snaps | 183 |
| span_days | 128.578 |
| mean_motion_first | 15.361 |
| mean_motion_last | 15.402 |
| delta_mean_motion | 0.041 |
| altitude_first_km | 457.721 |
| altitude_last_km | 445.503 |
| decay_rate_rev_day2 | 0.000 |
| altitude_decay_km_day | -0.084 |
| 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 | 2026-04-03T04:25:50.020608+00:00 |
| last_utc | 2026-08-09T18:18:12.458016+00:00 |
| last_fix_utc | 2026-08-09T18:18:12.458016+00:00 |
| provisional | false |
| track | [{"utc":"2026-04-03T04:25:50.020608+00:00","mean_motion":15.36077827,"altitude_km":457.721,"eccentricity":0.00048031,"inclination_deg":97.3719},{"utc":"2026-04-03T18:30:04.852800+00:00","mean_motion": |
| total_sensor_hits | 0 |
Provenance
- celestrak
Storage: dossier · celestial_storehouse/satellite_decay/60489.json