The Dexes / Satellite Decay / 55844
CelestialObjectDex · Satellite Decay
HORUS 2
55844 · 2026-04-02T14:02:53Z
Fixes
299
Sensor hits
0
Observations
299
The record
Everything the slot carries, as measured. Series arrays are drawn above and listed here in full.
| start_utc | 2026-04-02T14:02:53.635200+00:00 |
|---|---|
| end_utc | 2026-08-09T20:26:35.308320+00:00 |
| family | celestialdex |
| norad_id | 55,844 |
| object_name | HORUS 2 |
| group | active |
| eccentricity_median | 0.000 |
| inclination_deg_median | 97.354 |
| n_snaps | 299 |
| span_days | 129.266 |
| mean_motion_first | 15.236 |
| mean_motion_last | 15.236 |
| delta_mean_motion | -0.000 |
| altitude_first_km | 495.031 |
| altitude_last_km | 495.066 |
| 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 | 2026-04-02T14:02:53.635200+00:00 |
| last_utc | 2026-08-09T20:26:35.308320+00:00 |
| last_fix_utc | 2026-08-09T20:26:35.308320+00:00 |
| provisional | false |
| track | [{"utc":"2026-04-02T14:02:53.635200+00:00","mean_motion":15.23587317,"altitude_km":495.031,"eccentricity":0.00018917,"inclination_deg":97.357},{"utc":"2026-04-07T15:26:25.217088+00:00","mean_motion":1 |
Provenance
- celestrak
Storage: dossier · celestial_storehouse/satellite_decay/55844.json