The Dexes / Satellite Decay / 68425
CelestialObjectDex · Satellite Decay
ERMIS-3
68425 · 2026-04-16T02:40:19Z
Fixes
175
Observations
175
The record
Everything the slot carries, as measured. Series arrays are drawn above and listed here in full.
| start_utc | 2026-04-16T02:40:19.623072+00:00 |
|---|---|
| end_utc | 2026-08-09T20:56:16.345824+00:00 |
| family | celestialdex |
| norad_id | 68,425 |
| object_name | ERMIS-3 |
| group | active |
| eccentricity_median | 0.000 |
| inclination_deg_median | 97.458 |
| n_snaps | 175 |
| span_days | 115.761 |
| mean_motion_first | 15.182 |
| mean_motion_last | 15.193 |
| delta_mean_motion | 0.012 |
| altitude_first_km | 511.347 |
| altitude_last_km | 507.837 |
| decay_rate_rev_day2 | 0.000 |
| altitude_decay_km_day | -0.031 |
| 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 | 2026-04-16T02:40:19.623072+00:00 |
| last_utc | 2026-08-09T20:56:16.345824+00:00 |
| last_fix_utc | 2026-08-09T20:56:16.345824+00:00 |
| provisional | false |
| track | [{"utc":"2026-04-16T02:40:19.623072+00:00","mean_motion":15.18177989,"altitude_km":511.347,"eccentricity":0.0002361,"inclination_deg":97.4542},{"utc":"2026-04-16T20:04:20.905248+00:00","mean_motion":1 |
| total_sensor_hits | 0 |
Provenance
- celestrak
Storage: dossier · celestial_storehouse/satellite_decay/68425.json