The Dexes / Satellite Decay / 57517
CelestialObjectDex · Satellite Decay
COSMOS 2569 [GLONASS-K2]
57517 · 2026-04-03T04:07:56Z
Fixes
119
Observations
119
The record
Everything the slot carries, as measured. Series arrays are drawn above and listed here in full.
| start_utc | 2026-04-03T04:07:56.608608+00:00 |
|---|---|
| end_utc | 2026-08-05T23:52:28.566048+00:00 |
| family | celestialdex |
| norad_id | 57,517 |
| object_name | COSMOS 2569 [GLONASS-K2] |
| group | active |
| eccentricity_median | 0.001 |
| inclination_deg_median | 65.305 |
| n_snaps | 119 |
| span_days | 124.823 |
| mean_motion_first | 2.131 |
| mean_motion_last | 2.131 |
| delta_mean_motion | -0.000 |
| altitude_first_km | 19129.733 |
| altitude_last_km | 19129.747 |
| decay_rate_rev_day2 | -0.000 |
| altitude_decay_km_day | 0.000 |
| 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 | 2026-04-03T04:07:56.608608+00:00 |
| last_utc | 2026-08-05T23:52:28.566048+00:00 |
| last_fix_utc | 2026-08-05T23:52:28.566048+00:00 |
| provisional | false |
| track | [{"utc":"2026-04-03T04:07:56.608608+00:00","mean_motion":2.13103937,"altitude_km":19129.733,"eccentricity":0.00128505,"inclination_deg":65.2609},{"utc":"2026-04-04T02:39:24.054912+00:00","mean_motion" |
| total_sensor_hits | 0 |
Provenance
- celestrak
Storage: dossier · celestial_storehouse/satellite_decay/57517.json