The Dexes / Satellite Decay / 69866
CelestialObjectDex · Satellite Decay
QIANFAN-237
69866 · 2026-07-14T04:05:44Z
Fixes
50
Sensor hits
0
Observations
50
The record
Everything the slot carries, as measured. Series arrays are drawn above and listed here in full.
| start_utc | 2026-07-14T04:05:44.526336+00:00 |
|---|---|
| end_utc | 2026-08-09T16:49:50.923776+00:00 |
| family | celestialdex |
| norad_id | 69,866 |
| object_name | QIANFAN-237 |
| group | active |
| eccentricity_median | 0.003 |
| inclination_deg_median | 89.006 |
| n_snaps | 50 |
| span_days | 26.531 |
| mean_motion_first | 14.268 |
| mean_motion_last | 14.083 |
| delta_mean_motion | -0.185 |
| altitude_first_km | 802.525 |
| altitude_last_km | 865.269 |
| decay_rate_rev_day2 | -0.006 |
| altitude_decay_km_day | 2.132 |
| 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 | 2026-07-14T04:05:44.526336+00:00 |
| last_utc | 2026-08-09T16:49:50.923776+00:00 |
| last_fix_utc | 2026-08-09T16:49:50.923776+00:00 |
| provisional | false |
| track | [{"utc":"2026-07-14T04:05:44.526336+00:00","mean_motion":14.26776663,"altitude_km":802.525,"eccentricity":0.003005,"inclination_deg":89.0068},{"utc":"2026-07-14T14:11:41.501184+00:00","mean_motion":14 |
Provenance
- celestrak
Storage: dossier · celestial_storehouse/satellite_decay/69866.json