The Dexes / Satellite Decay / 57204
CelestialObjectDex · Satellite Decay
SITRO-AIS 12 (SMIRENNIY)
57204 · 2026-04-03T14:14:54Z
Fixes
333
Observations
333
The record
Everything the slot carries, as measured. Series arrays are drawn above and listed here in full.
| start_utc | 2026-04-03T14:14:54.136032+00:00 |
|---|---|
| end_utc | 2026-08-23T22:12:34.702560+00:00 |
| family | celestialdex |
| norad_id | 57,204 |
| object_name | SITRO-AIS 12 (SMIRENNIY) |
| group | active |
| eccentricity_median | 0.001 |
| inclination_deg_median | 97.510 |
| n_snaps | 333 |
| span_days | 142.332 |
| mean_motion_first | 15.357 |
| mean_motion_last | 15.407 |
| delta_mean_motion | 0.050 |
| altitude_first_km | 458.730 |
| altitude_last_km | 444.030 |
| decay_rate_rev_day2 | 0.000 |
| altitude_decay_km_day | -0.105 |
| 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 | 2026-04-03T14:14:54.136032+00:00 |
| last_utc | 2026-08-23T22:12:34.702560+00:00 |
| last_fix_utc | 2026-08-23T22:12:34.702560+00:00 |
| provisional | false |
| track | [{"utc":"2026-04-03T14:14:54.136032+00:00","mean_motion":15.35737893,"altitude_km":458.73,"eccentricity":0.00057985,"inclination_deg":97.5148},{"utc":"2026-04-03T20:30:12.358080+00:00","mean_motion":1 |
| total_sensor_hits | 0 |
Provenance
- celestrak
Storage: dossier · celestial_storehouse/satellite_decay/57204.json