The Dexes / Satellite Decay / 63242
CelestialObjectDex · Satellite Decay
HERMES-1
63242 · 2026-04-03T15:09:22Z
Fixes
193
Observations
193
The record
Everything the slot carries, as measured. Series arrays are drawn above and listed here in full.
| start_utc | 2026-04-03T15:09:22.971168+00:00 |
|---|---|
| end_utc | 2026-08-09T16:20:13.337088+00:00 |
| family | celestialdex |
| norad_id | 63,242 |
| object_name | HERMES-1 |
| group | active |
| eccentricity_median | 0.001 |
| inclination_deg_median | 97.392 |
| n_snaps | 193 |
| span_days | 128.049 |
| mean_motion_first | 15.209 |
| mean_motion_last | 15.220 |
| delta_mean_motion | 0.011 |
| altitude_first_km | 503.105 |
| altitude_last_km | 499.731 |
| decay_rate_rev_day2 | 0.000 |
| altitude_decay_km_day | -0.026 |
| 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 | 2026-04-03T15:09:22.971168+00:00 |
| last_utc | 2026-08-09T16:20:13.337088+00:00 |
| last_fix_utc | 2026-08-09T16:20:13.337088+00:00 |
| provisional | false |
| track | [{"utc":"2026-04-03T15:09:22.971168+00:00","mean_motion":15.2090665,"altitude_km":503.105,"eccentricity":0.00092134,"inclination_deg":97.3991},{"utc":"2026-04-04T05:22:02.843328+00:00","mean_motion":1 |
| total_sensor_hits | 0 |
Provenance
- celestrak
Storage: dossier · celestial_storehouse/satellite_decay/63242.json