The Dexes / Satellite Decay / 52849
CelestialObjectDex · Satellite Decay
STARLINK-4197
52849 · 2026-04-03T11:32:07Z
Fixes
241
Observations
241
The record
Everything the slot carries, as measured. Series arrays are drawn above and listed here in full.
| start_utc | 2026-04-03T11:32:07.013472+00:00 |
|---|---|
| end_utc | 2026-08-23T19:15:21.019968+00:00 |
| family | celestialdex |
| norad_id | 52,849 |
| object_name | STARLINK-4197 |
| group | active |
| eccentricity_median | 0.000 |
| inclination_deg_median | 53.162 |
| n_snaps | 241 |
| span_days | 142.322 |
| mean_motion_first | 15.089 |
| mean_motion_last | 15.336 |
| delta_mean_motion | 0.247 |
| altitude_first_km | 539.680 |
| altitude_last_km | 465.222 |
| decay_rate_rev_day2 | 0.002 |
| altitude_decay_km_day | -0.564 |
| 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 | 2026-04-03T11:32:07.013472+00:00 |
| last_utc | 2026-08-23T19:15:21.019968+00:00 |
| last_fix_utc | 2026-08-23T19:15:21.019968+00:00 |
| provisional | false |
| track | [{"utc":"2026-04-03T11:32:07.013472+00:00","mean_motion":15.08860761,"altitude_km":539.68,"eccentricity":0.00013429,"inclination_deg":53.2176},{"utc":"2026-04-03T19:29:03.520320+00:00","mean_motion":1 |
| total_sensor_hits | 0 |
Provenance
- celestrak
Storage: dossier · celestial_storehouse/satellite_decay/52849.json