The Dexes / Satellite Decay / 69851
CelestialObjectDex · Satellite Decay
QIANFAN-222
69851 · 2026-07-15T03:47:57Z
Fixes
48
Sensor hits
0
Observations
48
The record
Everything the slot carries, as measured. Series arrays are drawn above and listed here in full.
| start_utc | 2026-07-15T03:47:57.202944+00:00 |
|---|---|
| end_utc | 2026-08-09T19:34:27.380352+00:00 |
| family | celestialdex |
| norad_id | 69,851 |
| object_name | QIANFAN-222 |
| group | active |
| eccentricity_median | 0.003 |
| inclination_deg_median | 89.006 |
| n_snaps | 48 |
| span_days | 25.657 |
| mean_motion_first | 14.222 |
| mean_motion_last | 14.024 |
| delta_mean_motion | -0.198 |
| altitude_first_km | 817.975 |
| altitude_last_km | 885.554 |
| decay_rate_rev_day2 | -0.008 |
| altitude_decay_km_day | 2.650 |
| 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 | 2026-07-15T03:47:57.202944+00:00 |
| last_utc | 2026-08-09T19:34:27.380352+00:00 |
| last_fix_utc | 2026-08-09T19:34:27.380352+00:00 |
| provisional | false |
| track | [{"utc":"2026-07-15T03:47:57.202944+00:00","mean_motion":14.22184381,"altitude_km":817.975,"eccentricity":0.0029282,"inclination_deg":89.0066},{"utc":"2026-07-15T12:14:32.440416+00:00","mean_motion":1 |
Provenance
- celestrak
Storage: dossier · celestial_storehouse/satellite_decay/69851.json