The Dexes / Satellite Decay / 69397
CelestialObjectDex · Satellite Decay
QIANFAN-180
69397 · 2026-06-11T23:12:37Z
Fixes
87
Observations
87
The record
Everything the slot carries, as measured. Series arrays are drawn above and listed here in full.
| start_utc | 2026-06-11T23:12:37.336320+00:00 |
|---|---|
| end_utc | 2026-08-08T17:34:27.086016+00:00 |
| family | celestialdex |
| norad_id | 69,397 |
| object_name | QIANFAN-180 |
| group | active |
| eccentricity_median | 0.000 |
| inclination_deg_median | 88.999 |
| n_snaps | 87 |
| span_days | 57.765 |
| mean_motion_first | 14.267 |
| mean_motion_last | 13.546 |
| delta_mean_motion | -0.721 |
| altitude_first_km | 802.824 |
| altitude_last_km | 1055.561 |
| decay_rate_rev_day2 | -0.013 |
| altitude_decay_km_day | 4.510 |
| 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 | 2026-06-11T23:12:37.336320+00:00 |
| last_utc | 2026-08-08T17:34:27.086016+00:00 |
| last_fix_utc | 2026-08-08T17:34:27.086016+00:00 |
| provisional | false |
| track | [{"utc":"2026-06-11T23:12:37.336320+00:00","mean_motion":14.26687636,"altitude_km":802.824,"eccentricity":0.00016814,"inclination_deg":88.9985},{"utc":"2026-06-12T19:24:41.901120+00:00","mean_motion": |
| total_sensor_hits | 0 |
Provenance
- celestrak
Storage: dossier · celestial_storehouse/satellite_decay/69397.json