The Dexes / Satellite Decay / 41882
CelestialObjectDex · Satellite Decay
FENGYUN 4A
41882 · 2026-04-03T16:50:20Z
Fixes
262
Observations
262
The record
Everything the slot carries, as measured. Series arrays are drawn above and listed here in full.
| start_utc | 2026-04-03T16:50:20.730912+00:00 |
|---|---|
| end_utc | 2026-08-09T21:18:34.578144+00:00 |
| family | celestialdex |
| norad_id | 41,882 |
| object_name | FENGYUN 4A |
| group | active |
| eccentricity_median | 0.001 |
| inclination_deg_median | 2.295 |
| n_snaps | 262 |
| span_days | 128.186 |
| mean_motion_first | 1.003 |
| mean_motion_last | 1.003 |
| delta_mean_motion | -0.000 |
| altitude_first_km | 35784.442 |
| altitude_last_km | 35786.948 |
| 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 | 2026-04-03T16:50:20.730912+00:00 |
| last_utc | 2026-08-09T21:18:34.578144+00:00 |
| last_fix_utc | 2026-08-09T21:18:34.578144+00:00 |
| provisional | false |
| track | [{"utc":"2026-04-03T16:50:20.730912+00:00","mean_motion":1.00279465,"altitude_km":35784.442,"eccentricity":0.0007883,"inclination_deg":2.1342},{"utc":"2026-04-03T23:41:02.319360+00:00","mean_motion":1 |
| total_sensor_hits | 0 |
Provenance
- celestrak
Storage: dossier · celestial_storehouse/satellite_decay/41882.json