The Dexes / Satellite Decay / 69854
CelestialObjectDex · Satellite Decay
QIANFAN-225
69854 · 2026-07-14T00:44:18Z
Fixes
43
Sensor hits
0
Observations
43
The record
Everything the slot carries, as measured. Series arrays are drawn above and listed here in full.
| start_utc | 2026-07-14T00:44:18.972960+00:00 |
|---|---|
| end_utc | 2026-08-09T19:02:51.497376+00:00 |
| family | celestialdex |
| norad_id | 69,854 |
| object_name | QIANFAN-225 |
| group | active |
| eccentricity_median | 0.003 |
| inclination_deg_median | 89.005 |
| n_snaps | 43 |
| span_days | 26.763 |
| mean_motion_first | 14.267 |
| mean_motion_last | 14.030 |
| delta_mean_motion | -0.237 |
| altitude_first_km | 802.746 |
| altitude_last_km | 883.291 |
| decay_rate_rev_day2 | -0.007 |
| altitude_decay_km_day | 2.332 |
| 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 | 2026-07-14T00:44:18.972960+00:00 |
| last_utc | 2026-08-09T19:02:51.497376+00:00 |
| last_fix_utc | 2026-08-09T19:02:51.497376+00:00 |
| provisional | false |
| track | [{"utc":"2026-07-14T00:44:18.972960+00:00","mean_motion":14.26711045,"altitude_km":802.746,"eccentricity":0.0030343,"inclination_deg":89.0068},{"utc":"2026-07-14T14:10:45.707520+00:00","mean_motion":1 |
Provenance
- celestrak
Storage: dossier · celestial_storehouse/satellite_decay/69854.json