The Dexes / Satellite Decay / 61564
CelestialObjectDex · Satellite Decay
QIANFAN-31
61564 · 2026-04-03T14:32:25Z
Fixes
291
Observations
291
The record
Everything the slot carries, as measured. Series arrays are drawn above and listed here in full.
| start_utc | 2026-04-03T14:32:25.164384+00:00 |
|---|---|
| end_utc | 2026-08-09T19:24:41.571072+00:00 |
| family | celestialdex |
| norad_id | 61,564 |
| object_name | QIANFAN-31 |
| group | active |
| eccentricity_median | 0.001 |
| inclination_deg_median | 88.979 |
| n_snaps | 291 |
| span_days | 128.203 |
| mean_motion_first | 13.580 |
| mean_motion_last | 13.581 |
| delta_mean_motion | 0.000 |
| altitude_first_km | 1042.912 |
| altitude_last_km | 1042.775 |
| decay_rate_rev_day2 | 0.000 |
| altitude_decay_km_day | -0.001 |
| 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 | 2026-04-03T14:32:25.164384+00:00 |
| last_utc | 2026-08-09T19:24:41.571072+00:00 |
| last_fix_utc | 2026-08-09T19:24:41.571072+00:00 |
| provisional | false |
| track | [{"utc":"2026-04-03T14:32:25.164384+00:00","mean_motion":13.58015793,"altitude_km":1042.912,"eccentricity":0.00091275,"inclination_deg":88.9757},{"utc":"2026-04-03T19:50:43.251936+00:00","mean_motion" |
| total_sensor_hits | 0 |
Provenance
- celestrak
Storage: dossier · celestial_storehouse/satellite_decay/61564.json