The Dexes / Satellite Decay / 69389
CelestialObjectDex · Satellite Decay
QIANFAN-172
69389 · 2026-06-12T19:26:29Z
Fixes
87
Observations
87
The record
Everything the slot carries, as measured. Series arrays are drawn above and listed here in full.
| start_utc | 2026-06-12T19:26:29.368032+00:00 |
|---|---|
| end_utc | 2026-08-08T20:03:23.723136+00:00 |
| family | celestialdex |
| norad_id | 69,389 |
| object_name | QIANFAN-172 |
| group | active |
| eccentricity_median | 0.000 |
| inclination_deg_median | 88.998 |
| n_snaps | 87 |
| span_days | 57.026 |
| mean_motion_first | 14.257 |
| mean_motion_last | 13.545 |
| delta_mean_motion | -0.711 |
| altitude_first_km | 806.217 |
| altitude_last_km | 1055.575 |
| decay_rate_rev_day2 | -0.013 |
| altitude_decay_km_day | 4.400 |
| 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 | 2026-06-12T19:26:29.368032+00:00 |
| last_utc | 2026-08-08T20:03:23.723136+00:00 |
| last_fix_utc | 2026-08-08T20:03:23.723136+00:00 |
| provisional | false |
| track | [{"utc":"2026-06-12T19:26:29.368032+00:00","mean_motion":14.25677194,"altitude_km":806.217,"eccentricity":0.0002199,"inclination_deg":88.9984},{"utc":"2026-06-13T05:32:54.271680+00:00","mean_motion":1 |
| total_sensor_hits | 0 |
Provenance
- celestrak
Storage: dossier · celestial_storehouse/satellite_decay/69389.json