The Dexes / Satellite Decay / 65989
CelestialObjectDex · Satellite Decay
SDA_1679
65989 · 2026-04-03T14:09:23Z
Fixes
256
Observations
256
The record
Everything the slot carries, as measured. Series arrays are drawn above and listed here in full.
| start_utc | 2026-04-03T14:09:23.817600+00:00 |
|---|---|
| end_utc | 2026-08-23T18:33:10.324224+00:00 |
| family | celestialdex |
| norad_id | 65,989 |
| object_name | SDA_1679 |
| group | active |
| eccentricity_median | 0.000 |
| inclination_deg_median | 81.302 |
| n_snaps | 256 |
| span_days | 142.183 |
| mean_motion_first | 13.853 |
| mean_motion_last | 13.849 |
| delta_mean_motion | -0.005 |
| altitude_first_km | 945.017 |
| altitude_last_km | 946.704 |
| decay_rate_rev_day2 | -0.000 |
| altitude_decay_km_day | 0.004 |
| 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 | 2026-04-03T14:09:23.817600+00:00 |
| last_utc | 2026-08-23T18:33:10.324224+00:00 |
| last_fix_utc | 2026-08-23T18:33:10.324224+00:00 |
| provisional | false |
| track | [{"utc":"2026-04-03T14:09:23.817600+00:00","mean_motion":13.85337146,"altitude_km":945.017,"eccentricity":0.00048437,"inclination_deg":81.2992},{"utc":"2026-04-03T21:05:24.357696+00:00","mean_motion": |
| total_sensor_hits | 0 |
Provenance
- celestrak
Storage: dossier · celestial_storehouse/satellite_decay/65989.json