The Dexes / Satellite Decay / 69398
CelestialObjectDex · Satellite Decay
QIANFAN-181
69398 · 2026-06-12T19:30:44Z
Fixes
89
Observations
89
The record
Everything the slot carries, as measured. Series arrays are drawn above and listed here in full.
| start_utc | 2026-06-12T19:30:44.178048+00:00 |
|---|---|
| end_utc | 2026-08-08T20:05:26.753280+00:00 |
| family | celestialdex |
| norad_id | 69,398 |
| object_name | QIANFAN-181 |
| group | active |
| eccentricity_median | 0.000 |
| inclination_deg_median | 88.999 |
| n_snaps | 89 |
| span_days | 57.024 |
| mean_motion_first | 14.227 |
| mean_motion_last | 13.545 |
| delta_mean_motion | -0.681 |
| altitude_first_km | 816.289 |
| altitude_last_km | 1055.613 |
| decay_rate_rev_day2 | -0.013 |
| altitude_decay_km_day | 4.683 |
| 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 | 2026-06-12T19:30:44.178048+00:00 |
| last_utc | 2026-08-08T20:05:26.753280+00:00 |
| last_fix_utc | 2026-08-08T20:05:26.753280+00:00 |
| provisional | false |
| track | [{"utc":"2026-06-12T19:30:44.178048+00:00","mean_motion":14.2268441,"altitude_km":816.289,"eccentricity":0.0002126,"inclination_deg":88.9994},{"utc":"2026-06-13T20:51:18.817056+00:00","mean_motion":14 |
| total_sensor_hits | 0 |
Provenance
- celestrak
Storage: dossier · celestial_storehouse/satellite_decay/69398.json