The Dexes / Satellite Decay / 68636
CelestialObjectDex · Satellite Decay
QIANFAN-109
68636 · 2026-04-16T05:51:26Z
Fixes
214
Observations
214
The record
Everything the slot carries, as measured. Series arrays are drawn above and listed here in full.
| start_utc | 2026-04-16T05:51:26.779680+00:00 |
|---|---|
| end_utc | 2026-08-09T18:20:33.035136+00:00 |
| family | celestialdex |
| norad_id | 68,636 |
| object_name | QIANFAN-109 |
| group | active |
| eccentricity_median | 0.000 |
| inclination_deg_median | 88.990 |
| n_snaps | 214 |
| span_days | 115.520 |
| mean_motion_first | 14.212 |
| mean_motion_last | 13.510 |
| delta_mean_motion | -0.702 |
| altitude_first_km | 821.311 |
| altitude_last_km | 1068.475 |
| decay_rate_rev_day2 | -0.006 |
| altitude_decay_km_day | 1.978 |
| 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 | 2026-04-16T05:51:26.779680+00:00 |
| last_utc | 2026-08-09T18:20:33.035136+00:00 |
| last_fix_utc | 2026-08-09T18:20:33.035136+00:00 |
| provisional | false |
| track | [{"utc":"2026-04-16T05:51:26.779680+00:00","mean_motion":14.21196026,"altitude_km":821.311,"eccentricity":0.0014193,"inclination_deg":88.9912},{"utc":"2026-04-16T22:45:19.440288+00:00","mean_motion":1 |
| total_sensor_hits | 0 |
Provenance
- celestrak
Storage: dossier · celestial_storehouse/satellite_decay/68636.json