The Dexes / Satellite Decay / 60557
CelestialObjectDex · Satellite Decay
TROOP-F2
60557 · 2026-04-03T05:05:39Z
Fixes
53
Observations
53
The record
Everything the slot carries, as measured. Series arrays are drawn above and listed here in full.
| start_utc | 2026-04-03T05:05:39.859296+00:00 |
|---|---|
| end_utc | 2026-05-13T12:11:26.697696+00:00 |
| family | celestialdex |
| norad_id | 60,557 |
| object_name | TROOP-F2 |
| group | active |
| eccentricity_median | 0.000 |
| inclination_deg_median | 97.339 |
| n_snaps | 53 |
| span_days | 40.296 |
| mean_motion_first | 15.799 |
| mean_motion_last | 16.349 |
| delta_mean_motion | 0.550 |
| altitude_first_km | 330.611 |
| altitude_last_km | 179.348 |
| decay_rate_rev_day2 | 0.009 |
| altitude_decay_km_day | -2.523 |
| 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 | 2026-04-03T05:05:39.859296+00:00 |
| last_utc | 2026-05-13T12:11:26.697696+00:00 |
| last_fix_utc | 2026-05-13T12:11:26.697696+00:00 |
| provisional | false |
| track | [{"utc":"2026-04-03T05:05:39.859296+00:00","mean_motion":15.79939738,"altitude_km":330.611,"eccentricity":0.00025215,"inclination_deg":97.351},{"utc":"2026-04-03T18:46:24.997728+00:00","mean_motion":1 |
| total_sensor_hits | 0 |
Provenance
- celestrak
Storage: dossier · celestial_storehouse/satellite_decay/60557.json