The Dexes / Satellite Decay / 39490
CelestialObjectDex · Satellite Decay
COSMOS 2493 (SKRL-756 1)
39490 · 2026-04-03T14:27:26Z
Fixes
295
Observations
295
The record
Everything the slot carries, as measured. Series arrays are drawn above and listed here in full.
| start_utc | 2026-04-03T14:27:26.313696+00:00 |
|---|---|
| end_utc | 2026-08-09T20:05:32.472096+00:00 |
| family | celestialdex |
| norad_id | 39,490 |
| object_name | COSMOS 2493 (SKRL-756 1) |
| group | active |
| eccentricity_median | 0.001 |
| inclination_deg_median | 82.411 |
| n_snaps | 295 |
| span_days | 128.235 |
| mean_motion_first | 15.018 |
| mean_motion_last | 15.024 |
| delta_mean_motion | 0.006 |
| altitude_first_km | 561.449 |
| altitude_last_km | 559.517 |
| decay_rate_rev_day2 | 0.000 |
| altitude_decay_km_day | -0.015 |
| 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 | 2026-04-03T14:27:26.313696+00:00 |
| last_utc | 2026-08-09T20:05:32.472096+00:00 |
| last_fix_utc | 2026-08-09T20:05:32.472096+00:00 |
| provisional | false |
| track | [{"utc":"2026-04-03T14:27:26.313696+00:00","mean_motion":15.01766427,"altitude_km":561.449,"eccentricity":0.00140715,"inclination_deg":82.4141},{"utc":"2026-04-03T19:15:16.792416+00:00","mean_motion": |
| total_sensor_hits | 0 |
Provenance
- celestrak
Storage: dossier · celestial_storehouse/satellite_decay/39490.json