The Dexes / Satellite Decay / 43491
CelestialObjectDex · Satellite Decay
FENGYUN 2H
43491 · 2026-04-03T14:54:55Z
Fixes
269
Observations
269
The record
Everything the slot carries, as measured. Series arrays are drawn above and listed here in full.
| start_utc | 2026-04-03T14:54:55.232640+00:00 |
|---|---|
| end_utc | 2026-08-09T21:05:43.311264+00:00 |
| family | celestialdex |
| norad_id | 43,491 |
| object_name | FENGYUN 2H |
| group | active |
| eccentricity_median | 0.000 |
| inclination_deg_median | 3.005 |
| n_snaps | 269 |
| span_days | 128.258 |
| mean_motion_first | 1.003 |
| mean_motion_last | 1.003 |
| delta_mean_motion | 0.000 |
| altitude_first_km | 35786.946 |
| altitude_last_km | 35785.765 |
| decay_rate_rev_day2 | -0.000 |
| altitude_decay_km_day | 0.013 |
| 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 | 2026-04-03T14:54:55.232640+00:00 |
| last_utc | 2026-08-09T21:05:43.311264+00:00 |
| last_fix_utc | 2026-08-09T21:05:43.311264+00:00 |
| provisional | false |
| track | [{"utc":"2026-04-03T14:54:55.232640+00:00","mean_motion":1.00270533,"altitude_km":35786.946,"eccentricity":0.00012641,"inclination_deg":2.8391},{"utc":"2026-04-03T20:25:52.524768+00:00","mean_motion": |
| total_sensor_hits | 0 |
Provenance
- celestrak
Storage: dossier · celestial_storehouse/satellite_decay/43491.json