The Dexes / Satellite Decay / 40118
CelestialObjectDex · Satellite Decay
GAOFEN-2
40118 · 2026-04-03T15:31:55Z
Fixes
321
Observations
321
The record
Everything the slot carries, as measured. Series arrays are drawn above and listed here in full.
| start_utc | 2026-04-03T15:31:55.850880+00:00 |
|---|---|
| end_utc | 2026-08-09T19:46:33.999168+00:00 |
| family | celestialdex |
| norad_id | 40,118 |
| object_name | GAOFEN-2 |
| group | active |
| eccentricity_median | 0.001 |
| inclination_deg_median | 98.011 |
| n_snaps | 321 |
| span_days | 128.177 |
| mean_motion_first | 14.808 |
| mean_motion_last | 14.810 |
| delta_mean_motion | 0.002 |
| altitude_first_km | 626.768 |
| altitude_last_km | 626.293 |
| decay_rate_rev_day2 | 0.000 |
| altitude_decay_km_day | -0.004 |
| 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 | 2026-04-03T15:31:55.850880+00:00 |
| last_utc | 2026-08-09T19:46:33.999168+00:00 |
| last_fix_utc | 2026-08-09T19:46:33.999168+00:00 |
| provisional | false |
| track | [{"utc":"2026-04-03T15:31:55.850880+00:00","mean_motion":14.80810077,"altitude_km":626.768,"eccentricity":0.00086235,"inclination_deg":98.0177},{"utc":"2026-04-03T20:23:50.457984+00:00","mean_motion": |
| total_sensor_hits | 0 |
Provenance
- celestrak
Storage: dossier · celestial_storehouse/satellite_decay/40118.json