The Dexes / Satellite Decay / 69121
CelestialObjectDex · Satellite Decay
QIANFAN-162
69121 · 2026-05-28T19:26:15Z
Fixes
108
Observations
108
The record
Everything the slot carries, as measured. Series arrays are drawn above and listed here in full.
| start_utc | 2026-05-28T19:26:15.772992+00:00 |
|---|---|
| end_utc | 2026-08-09T15:57:56.495808+00:00 |
| family | celestialdex |
| norad_id | 69,121 |
| object_name | QIANFAN-162 |
| group | active |
| eccentricity_median | 0.002 |
| inclination_deg_median | 89.011 |
| n_snaps | 108 |
| span_days | 72.855 |
| mean_motion_first | 14.206 |
| mean_motion_last | 13.512 |
| delta_mean_motion | -0.694 |
| altitude_first_km | 823.436 |
| altitude_last_km | 1067.936 |
| decay_rate_rev_day2 | -0.012 |
| altitude_decay_km_day | 4.147 |
| 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 | 2026-05-28T19:26:15.772992+00:00 |
| last_utc | 2026-08-09T15:57:56.495808+00:00 |
| last_fix_utc | 2026-08-09T15:57:56.495808+00:00 |
| provisional | false |
| track | [{"utc":"2026-05-28T19:26:15.772992+00:00","mean_motion":14.20567084,"altitude_km":823.436,"eccentricity":0.0014367,"inclination_deg":89.0124},{"utc":"2026-05-28T22:48:15.037920+00:00","mean_motion":1 |
| total_sensor_hits | 0 |
Provenance
- celestrak
Storage: dossier · celestial_storehouse/satellite_decay/69121.json