The Dexes / Satellite Decay / 69117
CelestialObjectDex · Satellite Decay
QIANFAN-158
69117 · 2026-05-28T19:28:35Z
Fixes
119
Observations
119
The record
Everything the slot carries, as measured. Series arrays are drawn above and listed here in full.
| start_utc | 2026-05-28T19:28:35.416992+00:00 |
|---|---|
| end_utc | 2026-08-09T19:25:52.640256+00:00 |
| family | celestialdex |
| norad_id | 69,117 |
| object_name | QIANFAN-158 |
| group | active |
| eccentricity_median | 0.002 |
| inclination_deg_median | 89.011 |
| n_snaps | 119 |
| span_days | 72.998 |
| mean_motion_first | 14.196 |
| mean_motion_last | 13.499 |
| delta_mean_motion | -0.697 |
| altitude_first_km | 826.567 |
| altitude_last_km | 1072.509 |
| decay_rate_rev_day2 | -0.012 |
| altitude_decay_km_day | 4.236 |
| 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 | 2026-05-28T19:28:35.416992+00:00 |
| last_utc | 2026-08-09T19:25:52.640256+00:00 |
| last_fix_utc | 2026-08-09T19:25:52.640256+00:00 |
| provisional | false |
| track | [{"utc":"2026-05-28T19:28:35.416992+00:00","mean_motion":14.19641003,"altitude_km":826.567,"eccentricity":0.0014028,"inclination_deg":89.0127},{"utc":"2026-05-29T02:13:18.518880+00:00","mean_motion":1 |
| total_sensor_hits | 0 |
Provenance
- celestrak
Storage: dossier · celestial_storehouse/satellite_decay/69117.json