The Dexes / Satellite Decay / 42921
CelestialObjectDex · Satellite Decay
ORS-5 SENSORSAT
42921 · 2026-04-03T09:47:41Z
Fixes
182
Observations
182
The record
Everything the slot carries, as measured. Series arrays are drawn above and listed here in full.
| start_utc | 2026-04-03T09:47:41.134272+00:00 |
|---|---|
| end_utc | 2026-08-09T18:11:37.381920+00:00 |
| family | celestialdex |
| norad_id | 42,921 |
| object_name | ORS-5 SENSORSAT |
| group | active |
| eccentricity_median | 0.001 |
| inclination_deg_median | 0.048 |
| n_snaps | 182 |
| span_days | 128.350 |
| mean_motion_first | 15.006 |
| mean_motion_last | 15.011 |
| delta_mean_motion | 0.004 |
| altitude_first_km | 564.933 |
| altitude_last_km | 563.626 |
| decay_rate_rev_day2 | 0.000 |
| altitude_decay_km_day | -0.010 |
| 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 | 2026-04-03T09:47:41.134272+00:00 |
| last_utc | 2026-08-09T18:11:37.381920+00:00 |
| last_fix_utc | 2026-08-09T18:11:37.381920+00:00 |
| provisional | false |
| track | [{"utc":"2026-04-03T09:47:41.134272+00:00","mean_motion":15.00636337,"altitude_km":564.933,"eccentricity":0.00104821,"inclination_deg":0.0499},{"utc":"2026-04-08T09:34:41.520288+00:00","mean_motion":1 |
| total_sensor_hits | 0 |
Provenance
- celestrak
Storage: dossier · celestial_storehouse/satellite_decay/42921.json