The Dexes / Satellite Decay / 49256
CelestialObjectDex · Satellite Decay
JILIN-1 GAOFEN 2D
49256 · 2026-04-03T15:00:21Z
Fixes
310
Observations
310
The record
Everything the slot carries, as measured. Series arrays are drawn above and listed here in full.
| start_utc | 2026-04-03T15:00:21.530880+00:00 |
|---|---|
| end_utc | 2026-08-09T20:55:50.492352+00:00 |
| family | celestialdex |
| norad_id | 49,256 |
| object_name | JILIN-1 GAOFEN 2D |
| group | active |
| eccentricity_median | 0.003 |
| inclination_deg_median | 97.647 |
| n_snaps | 310 |
| span_days | 128.247 |
| mean_motion_first | 15.100 |
| mean_motion_last | 15.110 |
| delta_mean_motion | 0.010 |
| altitude_first_km | 536.135 |
| altitude_last_km | 533.061 |
| decay_rate_rev_day2 | 0.000 |
| altitude_decay_km_day | -0.025 |
| 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 | 2026-04-03T15:00:21.530880+00:00 |
| last_utc | 2026-08-09T20:55:50.492352+00:00 |
| last_fix_utc | 2026-08-09T20:55:50.492352+00:00 |
| provisional | false |
| track | [{"utc":"2026-04-03T15:00:21.530880+00:00","mean_motion":15.10021324,"altitude_km":536.135,"eccentricity":0.00344271,"inclination_deg":97.6365},{"utc":"2026-04-03T19:46:37.577856+00:00","mean_motion": |
| total_sensor_hits | 0 |
Provenance
- celestrak
Storage: dossier · celestial_storehouse/satellite_decay/49256.json