The Dexes / Satellite Decay / 65991
CelestialObjectDex · Satellite Decay
SDA_1681
65991 · 2026-04-03T14:16:52Z
Fixes
231
Observations
231
The record
Everything the slot carries, as measured. Series arrays are drawn above and listed here in full.
| start_utc | 2026-04-03T14:16:52.379616+00:00 |
|---|---|
| end_utc | 2026-08-09T20:50:01.679136+00:00 |
| family | celestialdex |
| norad_id | 65,991 |
| object_name | SDA_1681 |
| group | active |
| eccentricity_median | 0.000 |
| inclination_deg_median | 81.300 |
| n_snaps | 231 |
| span_days | 128.273 |
| mean_motion_first | 13.853 |
| mean_motion_last | 13.853 |
| delta_mean_motion | 0.000 |
| altitude_first_km | 945.169 |
| altitude_last_km | 945.115 |
| 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 | 2026-04-03T14:16:52.379616+00:00 |
| last_utc | 2026-08-09T20:50:01.679136+00:00 |
| last_fix_utc | 2026-08-09T20:50:01.679136+00:00 |
| provisional | false |
| track | [{"utc":"2026-04-03T14:16:52.379616+00:00","mean_motion":13.85294203,"altitude_km":945.169,"eccentricity":0.00047857,"inclination_deg":81.2971},{"utc":"2026-04-03T22:56:54.097152+00:00","mean_motion": |
| total_sensor_hits | 0 |
Provenance
- celestrak
Storage: dossier · celestial_storehouse/satellite_decay/65991.json