The Dexes / Satellite Decay / 61730
CelestialObjectDex · Satellite Decay
COSMOS 2579
61730 · 2026-04-03T15:31:18Z
Fixes
311
Observations
311
The record
Everything the slot carries, as measured. Series arrays are drawn above and listed here in full.
| start_utc | 2026-04-03T15:31:18.806016+00:00 |
|---|---|
| end_utc | 2026-08-09T21:01:23.471040+00:00 |
| family | celestialdex |
| norad_id | 61,730 |
| object_name | COSMOS 2579 |
| group | active |
| eccentricity_median | 0.000 |
| inclination_deg_median | 97.558 |
| n_snaps | 311 |
| span_days | 128.229 |
| mean_motion_first | 15.244 |
| mean_motion_last | 15.252 |
| delta_mean_motion | 0.008 |
| altitude_first_km | 492.677 |
| altitude_last_km | 490.137 |
| decay_rate_rev_day2 | 0.000 |
| altitude_decay_km_day | -0.020 |
| 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 | 2026-04-03T15:31:18.806016+00:00 |
| last_utc | 2026-08-09T21:01:23.471040+00:00 |
| last_fix_utc | 2026-08-09T21:01:23.471040+00:00 |
| provisional | false |
| track | [{"utc":"2026-04-03T15:31:18.806016+00:00","mean_motion":15.24370282,"altitude_km":492.677,"eccentricity":0.0000671,"inclination_deg":97.5586},{"utc":"2026-04-03T20:14:53.380032+00:00","mean_motion":1 |
| total_sensor_hits | 0 |
Provenance
- celestrak
Storage: dossier · celestial_storehouse/satellite_decay/61730.json