The Dexes / Satellite Decay / 68420
CelestialObjectDex · Satellite Decay
ERMIS-2
68420 · 2026-04-16T19:58:20Z
Fixes
171
Observations
171
The record
Everything the slot carries, as measured. Series arrays are drawn above and listed here in full.
| start_utc | 2026-04-16T19:58:20.346816+00:00 |
|---|---|
| end_utc | 2026-08-09T20:45:58.192704+00:00 |
| family | celestialdex |
| norad_id | 68,420 |
| object_name | ERMIS-2 |
| group | active |
| eccentricity_median | 0.000 |
| inclination_deg_median | 97.447 |
| n_snaps | 171 |
| span_days | 115.033 |
| mean_motion_first | 15.186 |
| mean_motion_last | 15.206 |
| delta_mean_motion | 0.020 |
| altitude_first_km | 510.006 |
| altitude_last_km | 503.881 |
| decay_rate_rev_day2 | 0.000 |
| altitude_decay_km_day | -0.054 |
| 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 | 2026-04-16T19:58:20.346816+00:00 |
| last_utc | 2026-08-09T20:45:58.192704+00:00 |
| last_fix_utc | 2026-08-09T20:45:58.192704+00:00 |
| provisional | false |
| track | [{"utc":"2026-04-16T19:58:20.346816+00:00","mean_motion":15.18621293,"altitude_km":510.006,"eccentricity":0.00036693,"inclination_deg":97.4442},{"utc":"2026-04-17T03:52:45.330528+00:00","mean_motion": |
| total_sensor_hits | 0 |
Provenance
- celestrak
Storage: dossier · celestial_storehouse/satellite_decay/68420.json