The Dexes / Satellite Decay / 63489
CelestialObjectDex · Satellite Decay
HERMES-6
63489 · 2026-04-03T14:49:56Z
Fixes
179
Observations
179
The record
Everything the slot carries, as measured. Series arrays are drawn above and listed here in full.
| start_utc | 2026-04-03T14:49:56.362080+00:00 |
|---|---|
| end_utc | 2026-08-09T16:11:29.142240+00:00 |
| family | celestialdex |
| norad_id | 63,489 |
| object_name | HERMES-6 |
| group | active |
| eccentricity_median | 0.001 |
| inclination_deg_median | 97.402 |
| n_snaps | 179 |
| span_days | 128.057 |
| mean_motion_first | 15.221 |
| mean_motion_last | 15.237 |
| delta_mean_motion | 0.016 |
| altitude_first_km | 499.492 |
| altitude_last_km | 494.826 |
| decay_rate_rev_day2 | 0.000 |
| altitude_decay_km_day | -0.037 |
| 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 | 2026-04-03T14:49:56.362080+00:00 |
| last_utc | 2026-08-09T16:11:29.142240+00:00 |
| last_fix_utc | 2026-08-09T16:11:29.142240+00:00 |
| provisional | false |
| track | [{"utc":"2026-04-03T14:49:56.362080+00:00","mean_motion":15.22105248,"altitude_km":499.492,"eccentricity":0.00083588,"inclination_deg":97.4079},{"utc":"2026-04-03T19:33:56.246976+00:00","mean_motion": |
| total_sensor_hits | 0 |
Provenance
- celestrak
Storage: dossier · celestial_storehouse/satellite_decay/63489.json