The Dexes / Satellite Decay / 44311
CelestialObjectDex · Satellite Decay
BUFENG 1B
44311 · 2026-04-03T09:08:22Z
Fixes
278
Observations
278
The record
Everything the slot carries, as measured. Series arrays are drawn above and listed here in full.
| start_utc | 2026-04-03T09:08:22.254432+00:00 |
|---|---|
| end_utc | 2026-08-09T21:13:15.032064+00:00 |
| family | celestialdex |
| norad_id | 44,311 |
| object_name | BUFENG 1B |
| group | active |
| eccentricity_median | 0.003 |
| inclination_deg_median | 44.972 |
| n_snaps | 278 |
| span_days | 128.503 |
| mean_motion_first | 15.263 |
| mean_motion_last | 15.287 |
| delta_mean_motion | 0.024 |
| altitude_first_km | 486.980 |
| altitude_last_km | 479.826 |
| decay_rate_rev_day2 | 0.000 |
| altitude_decay_km_day | -0.055 |
| 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 | 2026-04-03T09:08:22.254432+00:00 |
| last_utc | 2026-08-09T21:13:15.032064+00:00 |
| last_fix_utc | 2026-08-09T21:13:15.032064+00:00 |
| provisional | false |
| track | [{"utc":"2026-04-03T09:08:22.254432+00:00","mean_motion":15.26268102,"altitude_km":486.98,"eccentricity":0.00262522,"inclination_deg":44.969},{"utc":"2026-04-03T21:42:21.239136+00:00","mean_motion":15 |
| total_sensor_hits | 0 |
Provenance
- celestrak
Storage: dossier · celestial_storehouse/satellite_decay/44311.json