The Dexes / Satellite Decay / 68637
CelestialObjectDex · Satellite Decay
QIANFAN-110
68637 · 2026-04-16T04:07:04Z
Fixes
209
Observations
209
The record
Everything the slot carries, as measured. Series arrays are drawn above and listed here in full.
| start_utc | 2026-04-16T04:07:04.524096+00:00 |
|---|---|
| end_utc | 2026-08-09T18:32:32.159616+00:00 |
| family | celestialdex |
| norad_id | 68,637 |
| object_name | QIANFAN-110 |
| group | active |
| eccentricity_median | 0.000 |
| inclination_deg_median | 88.990 |
| n_snaps | 209 |
| span_days | 115.601 |
| mean_motion_first | 14.217 |
| mean_motion_last | 13.510 |
| delta_mean_motion | -0.706 |
| altitude_first_km | 819.761 |
| altitude_last_km | 1068.485 |
| decay_rate_rev_day2 | -0.005 |
| altitude_decay_km_day | 1.931 |
| 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 | 2026-04-16T04:07:04.524096+00:00 |
| last_utc | 2026-08-09T18:32:32.159616+00:00 |
| last_fix_utc | 2026-08-09T18:32:32.159616+00:00 |
| provisional | false |
| track | [{"utc":"2026-04-16T04:07:04.524096+00:00","mean_motion":14.2165491,"altitude_km":819.761,"eccentricity":0.00141647,"inclination_deg":88.9913},{"utc":"2026-04-16T21:00:37.349856+00:00","mean_motion":1 |
| total_sensor_hits | 0 |
Provenance
- celestrak
Storage: dossier · celestial_storehouse/satellite_decay/68637.json