The Dexes / Satellite Decay / 39177
CelestialObjectDex · Satellite Decay
COSMOS 2486
39177 · 2026-04-03T14:18:55Z
Fixes
315
Observations
315
The record
Everything the slot carries, as measured. Series arrays are drawn above and listed here in full.
| start_utc | 2026-04-03T14:18:55.620576+00:00 |
|---|---|
| end_utc | 2026-08-09T21:13:03.603936+00:00 |
| family | celestialdex |
| norad_id | 39,177 |
| object_name | COSMOS 2486 |
| group | active |
| eccentricity_median | 0.001 |
| inclination_deg_median | 98.013 |
| n_snaps | 315 |
| span_days | 128.288 |
| mean_motion_first | 14.562 |
| mean_motion_last | 14.562 |
| delta_mean_motion | 0.001 |
| altitude_first_km | 705.598 |
| altitude_last_km | 705.426 |
| decay_rate_rev_day2 | 0.000 |
| altitude_decay_km_day | -0.001 |
| 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 | 2026-04-03T14:18:55.620576+00:00 |
| last_utc | 2026-08-09T21:13:03.603936+00:00 |
| last_fix_utc | 2026-08-09T21:13:03.603936+00:00 |
| provisional | false |
| track | [{"utc":"2026-04-03T14:18:55.620576+00:00","mean_motion":14.56160715,"altitude_km":705.598,"eccentricity":0.00095494,"inclination_deg":98.0073},{"utc":"2026-04-03T20:54:43.344864+00:00","mean_motion": |
| total_sensor_hits | 0 |
Provenance
- celestrak
Storage: dossier · celestial_storehouse/satellite_decay/39177.json