The Dexes / Satellite Decay / 63243
CelestialObjectDex · Satellite Decay
HERMES-2
63243 · 2026-04-03T14:43:11Z
Fixes
173
Observations
173
The record
Everything the slot carries, as measured. Series arrays are drawn above and listed here in full.
| start_utc | 2026-04-03T14:43:11.094240+00:00 |
|---|---|
| end_utc | 2026-08-09T04:01:48.237024+00:00 |
| family | celestialdex |
| norad_id | 63,243 |
| object_name | HERMES-2 |
| group | active |
| eccentricity_median | 0.000 |
| inclination_deg_median | 97.390 |
| n_snaps | 173 |
| span_days | 127.555 |
| mean_motion_first | 15.285 |
| mean_motion_last | 15.312 |
| delta_mean_motion | 0.027 |
| altitude_first_km | 480.369 |
| altitude_last_km | 472.269 |
| decay_rate_rev_day2 | 0.000 |
| altitude_decay_km_day | -0.064 |
| 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 | 2026-04-03T14:43:11.094240+00:00 |
| last_utc | 2026-08-09T04:01:48.237024+00:00 |
| last_fix_utc | 2026-08-09T04:01:48.237024+00:00 |
| provisional | false |
| track | [{"utc":"2026-04-03T14:43:11.094240+00:00","mean_motion":15.28475592,"altitude_km":480.369,"eccentricity":0.00053722,"inclination_deg":97.3976},{"utc":"2026-04-04T15:51:31.380768+00:00","mean_motion": |
| total_sensor_hits | 0 |
Provenance
- celestrak
Storage: dossier · celestial_storehouse/satellite_decay/63243.json