The Dexes / Satellite Decay / 47745
CelestialObjectDex · Satellite Decay
STARLINK-2159
47745 · 2026-04-03T05:32:19Z
Fixes
230
Observations
230
The record
Everything the slot carries, as measured. Series arrays are drawn above and listed here in full.
| start_utc | 2026-04-03T05:32:19.665024+00:00 |
|---|---|
| end_utc | 2026-08-09T20:00:01.999008+00:00 |
| family | celestialdex |
| norad_id | 47,745 |
| object_name | STARLINK-2159 |
| group | active |
| eccentricity_median | 0.000 |
| inclination_deg_median | 53.153 |
| n_snaps | 230 |
| span_days | 128.603 |
| mean_motion_first | 15.476 |
| mean_motion_last | 15.926 |
| delta_mean_motion | 0.450 |
| altitude_first_km | 423.641 |
| altitude_last_km | 294.971 |
| decay_rate_rev_day2 | 0.004 |
| altitude_decay_km_day | -1.077 |
| 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 | 2026-04-03T05:32:19.665024+00:00 |
| last_utc | 2026-08-09T20:00:01.999008+00:00 |
| last_fix_utc | 2026-08-09T20:00:01.999008+00:00 |
| provisional | false |
| track | [{"utc":"2026-04-03T05:32:19.665024+00:00","mean_motion":15.47636922,"altitude_km":423.641,"eccentricity":0.0003662,"inclination_deg":53.158},{"utc":"2026-04-03T16:23:13.975296+00:00","mean_motion":15 |
| total_sensor_hits | 0 |
Provenance
- celestrak
Storage: dossier · celestial_storehouse/satellite_decay/47745.json