The Dexes / Satellite Decay / 65581
CelestialObjectDex · Satellite Decay
PRAETORIAN SDA_618
65581 · 2026-04-03T11:36:25Z
Fixes
269
Observations
269
The record
Everything the slot carries, as measured. Series arrays are drawn above and listed here in full.
| start_utc | 2026-04-03T11:36:25.268256+00:00 |
|---|---|
| end_utc | 2026-08-22T16:35:46.021632+00:00 |
| family | celestialdex |
| norad_id | 65,581 |
| object_name | PRAETORIAN SDA_618 |
| group | active |
| eccentricity_median | 0.001 |
| inclination_deg_median | 81.303 |
| n_snaps | 269 |
| span_days | 141.208 |
| mean_motion_first | 13.848 |
| mean_motion_last | 13.842 |
| delta_mean_motion | -0.005 |
| altitude_first_km | 947.036 |
| altitude_last_km | 948.928 |
| decay_rate_rev_day2 | -0.000 |
| altitude_decay_km_day | 0.018 |
| 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 | 2026-04-03T11:36:25.268256+00:00 |
| last_utc | 2026-08-22T16:35:46.021632+00:00 |
| last_fix_utc | 2026-08-22T16:35:46.021632+00:00 |
| provisional | false |
| track | [{"utc":"2026-04-03T11:36:25.268256+00:00","mean_motion":13.84764496,"altitude_km":947.036,"eccentricity":0.0010665,"inclination_deg":81.2992},{"utc":"2026-04-04T06:40:55.230528+00:00","mean_motion":1 |
| total_sensor_hits | 0 |
Provenance
- celestrak
Storage: dossier · celestial_storehouse/satellite_decay/65581.json