The Dexes / Satellite Decay / 65990
CelestialObjectDex · Satellite Decay
SDA_1680
65990 · 2026-04-03T14:30:22Z
Fixes
241
Observations
241
The record
Everything the slot carries, as measured. Series arrays are drawn above and listed here in full.
| start_utc | 2026-04-03T14:30:22.909248+00:00 |
|---|---|
| end_utc | 2026-08-09T19:29:16.135584+00:00 |
| family | celestialdex |
| norad_id | 65,990 |
| object_name | SDA_1680 |
| group | active |
| eccentricity_median | 0.000 |
| inclination_deg_median | 81.300 |
| n_snaps | 241 |
| span_days | 128.208 |
| mean_motion_first | 13.852 |
| mean_motion_last | 13.852 |
| delta_mean_motion | 0.000 |
| altitude_first_km | 945.428 |
| altitude_last_km | 945.369 |
| decay_rate_rev_day2 | 0.000 |
| altitude_decay_km_day | -0.000 |
| 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 | 2026-04-03T14:30:22.909248+00:00 |
| last_utc | 2026-08-09T19:29:16.135584+00:00 |
| last_fix_utc | 2026-08-09T19:29:16.135584+00:00 |
| provisional | false |
| track | [{"utc":"2026-04-03T14:30:22.909248+00:00","mean_motion":13.85220591,"altitude_km":945.428,"eccentricity":0.00046846,"inclination_deg":81.2973},{"utc":"2026-04-04T21:42:35.107200+00:00","mean_motion": |
| total_sensor_hits | 0 |
Provenance
- celestrak
Storage: dossier · celestial_storehouse/satellite_decay/65990.json