The Dexes / Satellite Decay / 69817
CelestialObjectDex · Satellite Decay
QIANFAN-218
69817 · 2026-07-14T02:53:58Z
Fixes
60
Sensor hits
0
Observations
60
The record
Everything the slot carries, as measured. Series arrays are drawn above and listed here in full.
| start_utc | 2026-07-14T02:53:58.519680+00:00 |
|---|---|
| end_utc | 2026-08-09T20:10:37.433856+00:00 |
| family | celestialdex |
| norad_id | 69,817 |
| object_name | QIANFAN-218 |
| group | active |
| eccentricity_median | 0.001 |
| inclination_deg_median | 88.994 |
| n_snaps | 60 |
| span_days | 26.720 |
| mean_motion_first | 14.268 |
| mean_motion_last | 14.268 |
| delta_mean_motion | 0.000 |
| altitude_first_km | 802.413 |
| altitude_last_km | 802.360 |
| decay_rate_rev_day2 | -0.000 |
| altitude_decay_km_day | 0.064 |
| 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 | 2026-07-14T02:53:58.519680+00:00 |
| last_utc | 2026-08-09T20:10:37.433856+00:00 |
| last_fix_utc | 2026-08-09T20:10:37.433856+00:00 |
| provisional | false |
| track | [{"utc":"2026-07-14T02:53:58.519680+00:00","mean_motion":14.26810144,"altitude_km":802.413,"eccentricity":0.0007102,"inclination_deg":88.9921},{"utc":"2026-07-14T21:24:51.283008+00:00","mean_motion":1 |
Provenance
- celestrak
Storage: dossier · celestial_storehouse/satellite_decay/69817.json