The Dexes / Satellite Decay / 69020
CelestialObjectDex · Satellite Decay
SELENE
69020 · 2026-05-09T04:40:15Z
Fixes
149
Observations
149
The record
Everything the slot carries, as measured. Series arrays are drawn above and listed here in full.
| start_utc | 2026-05-09T04:40:15.117888+00:00 |
|---|---|
| end_utc | 2026-08-09T10:18:07.795296+00:00 |
| family | celestialdex |
| norad_id | 69,020 |
| object_name | SELENE |
| group | active |
| eccentricity_median | 0.000 |
| inclination_deg_median | 97.404 |
| n_snaps | 149 |
| span_days | 92.235 |
| mean_motion_first | 15.194 |
| mean_motion_last | 15.204 |
| delta_mean_motion | 0.010 |
| altitude_first_km | 507.636 |
| altitude_last_km | 504.664 |
| decay_rate_rev_day2 | 0.000 |
| altitude_decay_km_day | -0.033 |
| 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 | 2026-05-09T04:40:15.117888+00:00 |
| last_utc | 2026-08-09T10:18:07.795296+00:00 |
| last_fix_utc | 2026-08-09T10:18:07.795296+00:00 |
| provisional | false |
| track | [{"utc":"2026-05-09T04:40:15.117888+00:00","mean_motion":15.19405442,"altitude_km":507.636,"eccentricity":0.0006032,"inclination_deg":97.4074},{"utc":"2026-05-09T09:24:45.319680+00:00","mean_motion":1 |
| total_sensor_hits | 0 |
Provenance
- celestrak
Storage: dossier · celestial_storehouse/satellite_decay/69020.json