The Dexes / Satellite Decay / 68831
CelestialObjectDex · Satellite Decay
HJS-9A
68831 · 2026-04-24T15:30:54Z
Fixes
183
Observations
183
The record
Everything the slot carries, as measured. Series arrays are drawn above and listed here in full.
| start_utc | 2026-04-24T15:30:54.296928+00:00 |
|---|---|
| end_utc | 2026-08-06T03:18:20.738592+00:00 |
| family | celestialdex |
| norad_id | 68,831 |
| object_name | HJS-9A |
| group | active |
| eccentricity_median | 0.001 |
| inclination_deg_median | 55.002 |
| n_snaps | 183 |
| span_days | 103.491 |
| mean_motion_first | 15.195 |
| mean_motion_last | 15.193 |
| delta_mean_motion | -0.002 |
| altitude_first_km | 507.302 |
| altitude_last_km | 508.015 |
| 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 | 2026-04-24T15:30:54.296928+00:00 |
| last_utc | 2026-08-06T03:18:20.738592+00:00 |
| last_fix_utc | 2026-08-06T03:18:20.738592+00:00 |
| provisional | false |
| track | [{"utc":"2026-04-24T15:30:54.296928+00:00","mean_motion":15.19515986,"altitude_km":507.302,"eccentricity":0.00085212,"inclination_deg":54.9998},{"utc":"2026-04-25T16:46:28.757280+00:00","mean_motion": |
| total_sensor_hits | 0 |
Provenance
- celestrak
Storage: dossier · celestial_storehouse/satellite_decay/68831.json