The Dexes / Satellite Decay / 69853
CelestialObjectDex · Satellite Decay
QIANFAN-224
69853 · 2026-07-15T03:44:11Z
Fixes
49
Sensor hits
0
Observations
49
The record
Everything the slot carries, as measured. Series arrays are drawn above and listed here in full.
| start_utc | 2026-07-15T03:44:11.832000+00:00 |
|---|---|
| end_utc | 2026-08-09T20:31:15.180384+00:00 |
| family | celestialdex |
| norad_id | 69,853 |
| object_name | QIANFAN-224 |
| group | active |
| eccentricity_median | 0.003 |
| inclination_deg_median | 89.004 |
| n_snaps | 49 |
| span_days | 25.699 |
| mean_motion_first | 14.236 |
| mean_motion_last | 14.026 |
| delta_mean_motion | -0.210 |
| altitude_first_km | 813.313 |
| altitude_last_km | 884.896 |
| decay_rate_rev_day2 | -0.007 |
| altitude_decay_km_day | 2.331 |
| 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 | 2026-07-15T03:44:11.832000+00:00 |
| last_utc | 2026-08-09T20:31:15.180384+00:00 |
| last_fix_utc | 2026-08-09T20:31:15.180384+00:00 |
| provisional | false |
| track | [{"utc":"2026-07-15T03:44:11.832000+00:00","mean_motion":14.23567606,"altitude_km":813.313,"eccentricity":0.0029864,"inclination_deg":89.006},{"utc":"2026-07-15T12:10:17.553504+00:00","mean_motion":14 |
Provenance
- celestrak
Storage: dossier · celestial_storehouse/satellite_decay/69853.json