The Dexes / Satellite Decay / 61557
CelestialObjectDex · Satellite Decay
QIANFAN-24
61557 · 2026-04-03T15:08:12Z
Fixes
291
Observations
291
The record
Everything the slot carries, as measured. Series arrays are drawn above and listed here in full.
| start_utc | 2026-04-03T15:08:12.063552+00:00 |
|---|---|
| end_utc | 2026-08-09T20:49:16.697568+00:00 |
| family | celestialdex |
| norad_id | 61,557 |
| object_name | QIANFAN-24 |
| group | active |
| eccentricity_median | 0.001 |
| inclination_deg_median | 88.980 |
| n_snaps | 291 |
| span_days | 128.237 |
| mean_motion_first | 14.240 |
| mean_motion_last | 14.241 |
| delta_mean_motion | 0.001 |
| altitude_first_km | 811.917 |
| altitude_last_km | 811.444 |
| decay_rate_rev_day2 | 0.000 |
| altitude_decay_km_day | -0.004 |
| 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 | 2026-04-03T15:08:12.063552+00:00 |
| last_utc | 2026-08-09T20:49:16.697568+00:00 |
| last_fix_utc | 2026-08-09T20:49:16.697568+00:00 |
| provisional | false |
| track | [{"utc":"2026-04-03T15:08:12.063552+00:00","mean_motion":14.23982248,"altitude_km":811.917,"eccentricity":0.00069397,"inclination_deg":88.9773},{"utc":"2026-04-03T20:11:46.114944+00:00","mean_motion": |
| total_sensor_hits | 0 |
Provenance
- celestrak
Storage: dossier · celestial_storehouse/satellite_decay/61557.json