The Dexes / Satellite Decay / 42920
CelestialObjectDex · Satellite Decay
FORMOSAT-5
42920 · 2026-04-03T15:20:51Z
Fixes
288
Observations
288
The record
Everything the slot carries, as measured. Series arrays are drawn above and listed here in full.
| start_utc | 2026-04-03T15:20:51.806400+00:00 |
|---|---|
| end_utc | 2026-08-09T18:36:16.051392+00:00 |
| family | celestialdex |
| norad_id | 42,920 |
| object_name | FORMOSAT-5 |
| group | active |
| eccentricity_median | 0.001 |
| inclination_deg_median | 98.225 |
| n_snaps | 288 |
| span_days | 128.136 |
| mean_motion_first | 14.507 |
| mean_motion_last | 14.509 |
| delta_mean_motion | 0.002 |
| altitude_first_km | 723.331 |
| altitude_last_km | 722.713 |
| decay_rate_rev_day2 | 0.000 |
| altitude_decay_km_day | -0.003 |
| 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 | 2026-04-03T15:20:51.806400+00:00 |
| last_utc | 2026-08-09T18:36:16.051392+00:00 |
| last_fix_utc | 2026-08-09T18:36:16.051392+00:00 |
| provisional | false |
| track | [{"utc":"2026-04-03T15:20:51.806400+00:00","mean_motion":14.50709843,"altitude_km":723.331,"eccentricity":0.00106843,"inclination_deg":98.2277},{"utc":"2026-04-03T20:18:49.403232+00:00","mean_motion": |
| total_sensor_hits | 0 |
Provenance
- celestrak
Storage: dossier · celestial_storehouse/satellite_decay/42920.json