The Dexes / Satellite Decay / 69811
CelestialObjectDex · Satellite Decay
QIANFAN-212
69811 · 2026-07-14T04:35:55Z
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 | 2026-07-14T04:35:55.300128+00:00 |
|---|---|
| end_utc | 2026-08-09T19:57:03.163104+00:00 |
| family | celestialdex |
| norad_id | 69,811 |
| object_name | QIANFAN-212 |
| group | active |
| eccentricity_median | 0.001 |
| inclination_deg_median | 88.993 |
| n_snaps | 49 |
| span_days | 26.640 |
| mean_motion_first | 14.267 |
| mean_motion_last | 14.131 |
| delta_mean_motion | -0.136 |
| altitude_first_km | 802.739 |
| altitude_last_km | 848.879 |
| decay_rate_rev_day2 | -0.005 |
| altitude_decay_km_day | 1.787 |
| 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 | 2026-07-14T04:35:55.300128+00:00 |
| last_utc | 2026-08-09T19:57:03.163104+00:00 |
| last_fix_utc | 2026-08-09T19:57:03.163104+00:00 |
| provisional | false |
| track | [{"utc":"2026-07-14T04:35:55.300128+00:00","mean_motion":14.26712879,"altitude_km":802.739,"eccentricity":0.0007638,"inclination_deg":88.992},{"utc":"2026-07-15T10:51:17.223552+00:00","mean_motion":14 |
Provenance
- celestrak
Storage: dossier · celestial_storehouse/satellite_decay/69811.json