The Dexes / Satellite Decay / 39265
CelestialObjectDex · Satellite Decay
CASSIOPE
39265 · 2026-04-03T15:20:10Z
Fixes
283
Observations
283
The record
Everything the slot carries, as measured. Series arrays are drawn above and listed here in full.
| start_utc | 2026-04-03T15:20:10.002624+00:00 |
|---|---|
| end_utc | 2026-08-09T19:46:09.050304+00:00 |
| family | celestialdex |
| norad_id | 39,265 |
| object_name | CASSIOPE |
| group | active |
| eccentricity_median | 0.030 |
| inclination_deg_median | 80.914 |
| n_snaps | 283 |
| span_days | 128.185 |
| mean_motion_first | 15.207 |
| mean_motion_last | 15.285 |
| delta_mean_motion | 0.078 |
| altitude_first_km | 503.863 |
| altitude_last_km | 480.360 |
| decay_rate_rev_day2 | 0.001 |
| altitude_decay_km_day | -0.199 |
| 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 | 2026-04-03T15:20:10.002624+00:00 |
| last_utc | 2026-08-09T19:46:09.050304+00:00 |
| last_fix_utc | 2026-08-09T19:46:09.050304+00:00 |
| provisional | false |
| track | [{"utc":"2026-04-03T15:20:10.002624+00:00","mean_motion":15.20655199,"altitude_km":503.863,"eccentricity":0.03071418,"inclination_deg":80.9174},{"utc":"2026-04-03T20:04:25.150944+00:00","mean_motion": |
| total_sensor_hits | 0 |
Provenance
- celestrak
Storage: dossier · celestial_storehouse/satellite_decay/39265.json