The Dexes / Satellite Decay / 39484
CelestialObjectDex · Satellite Decay
COSMOS 2489 (RODNIK-S 8)
39484 · 2026-04-03T15:11:44Z
Fixes
308
Observations
308
The record
Everything the slot carries, as measured. Series arrays are drawn above and listed here in full.
| start_utc | 2026-04-03T15:11:44.310336+00:00 |
|---|---|
| end_utc | 2026-08-09T20:46:42.997152+00:00 |
| family | celestialdex |
| norad_id | 39,484 |
| object_name | COSMOS 2489 (RODNIK-S 8) |
| group | active |
| eccentricity_median | 0.002 |
| inclination_deg_median | 82.490 |
| n_snaps | 308 |
| span_days | 128.233 |
| mean_motion_first | 12.429 |
| mean_motion_last | 12.429 |
| delta_mean_motion | 0.000 |
| altitude_first_km | 1494.428 |
| altitude_last_km | 1494.415 |
| 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 | 2026-04-03T15:11:44.310336+00:00 |
| last_utc | 2026-08-09T20:46:42.997152+00:00 |
| last_fix_utc | 2026-08-09T20:46:42.997152+00:00 |
| provisional | false |
| track | [{"utc":"2026-04-03T15:11:44.310336+00:00","mean_motion":12.42877582,"altitude_km":1494.428,"eccentricity":0.00203196,"inclination_deg":82.4896},{"utc":"2026-04-03T19:03:34.313760+00:00","mean_motion" |
| total_sensor_hits | 0 |
Provenance
- celestrak
Storage: dossier · celestial_storehouse/satellite_decay/39484.json