The Dexes / Satellite Decay / 60453
CelestialObjectDex · Satellite Decay
LEGION 4
60453 · 2026-04-03T14:09:28Z
Fixes
280
Observations
280
The record
Everything the slot carries, as measured. Series arrays are drawn above and listed here in full.
| start_utc | 2026-04-03T14:09:28.542816+00:00 |
|---|---|
| end_utc | 2026-08-23T21:04:41.611296+00:00 |
| family | celestialdex |
| norad_id | 60,453 |
| object_name | LEGION 4 |
| group | active |
| eccentricity_median | 0.001 |
| inclination_deg_median | 45.002 |
| n_snaps | 280 |
| span_days | 142.288 |
| mean_motion_first | 15.154 |
| mean_motion_last | 15.159 |
| delta_mean_motion | 0.005 |
| altitude_first_km | 519.700 |
| altitude_last_km | 518.222 |
| decay_rate_rev_day2 | 0.000 |
| altitude_decay_km_day | -0.011 |
| 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 | 2026-04-03T14:09:28.542816+00:00 |
| last_utc | 2026-08-23T21:04:41.611296+00:00 |
| last_fix_utc | 2026-08-23T21:04:41.611296+00:00 |
| provisional | false |
| track | [{"utc":"2026-04-03T14:09:28.542816+00:00","mean_motion":15.15421287,"altitude_km":519.7,"eccentricity":0.0015612,"inclination_deg":45.0006},{"utc":"2026-04-04T05:58:42.837024+00:00","mean_motion":15. |
| total_sensor_hits | 0 |
Provenance
- celestrak
Storage: dossier · celestial_storehouse/satellite_decay/60453.json