The Dexes / Satellite Decay / 69075
CelestialObjectDex · Satellite Decay
QIANFAN-129
69075 · 2026-05-19T21:53:01Z
Fixes
122
Observations
122
The record
Everything the slot carries, as measured. Series arrays are drawn above and listed here in full.
| start_utc | 2026-05-19T21:53:01.568544+00:00 |
|---|---|
| end_utc | 2026-08-07T22:35:18.589632+00:00 |
| family | celestialdex |
| norad_id | 69,075 |
| object_name | QIANFAN-129 |
| group | active |
| eccentricity_median | 0.001 |
| inclination_deg_median | 88.987 |
| n_snaps | 122 |
| span_days | 80.029 |
| mean_motion_first | 14.184 |
| mean_motion_last | 13.478 |
| delta_mean_motion | -0.706 |
| altitude_first_km | 830.815 |
| altitude_last_km | 1080.393 |
| decay_rate_rev_day2 | -0.012 |
| altitude_decay_km_day | 4.329 |
| 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 | 2026-05-19T21:53:01.568544+00:00 |
| last_utc | 2026-08-07T22:35:18.589632+00:00 |
| last_fix_utc | 2026-08-07T22:35:18.589632+00:00 |
| provisional | false |
| track | [{"utc":"2026-05-19T21:53:01.568544+00:00","mean_motion":14.1838646,"altitude_km":830.815,"eccentricity":0.00079068,"inclination_deg":88.9865},{"utc":"2026-05-20T14:42:09.292320+00:00","mean_motion":1 |
| total_sensor_hits | 0 |
Provenance
- celestrak
Storage: dossier · celestial_storehouse/satellite_decay/69075.json