The Dexes / Satellite Decay / 61517
CelestialObjectDex · Satellite Decay
STARLINK-31756
61517 · 2026-04-03T05:27:14Z
Fixes
172
Observations
172
The record
Everything the slot carries, as measured. Series arrays are drawn above and listed here in full.
| start_utc | 2026-04-03T05:27:14.410368+00:00 |
|---|---|
| end_utc | 2026-08-09T20:11:30.142176+00:00 |
| family | celestialdex |
| norad_id | 61,517 |
| object_name | STARLINK-31756 |
| group | active |
| eccentricity_median | 0.000 |
| inclination_deg_median | 53.160 |
| n_snaps | 172 |
| span_days | 128.614 |
| mean_motion_first | 15.302 |
| mean_motion_last | 15.344 |
| delta_mean_motion | 0.042 |
| altitude_first_km | 475.215 |
| altitude_last_km | 462.729 |
| decay_rate_rev_day2 | 0.000 |
| altitude_decay_km_day | -0.118 |
| 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 | 2026-04-03T05:27:14.410368+00:00 |
| last_utc | 2026-08-09T20:11:30.142176+00:00 |
| last_fix_utc | 2026-08-09T20:11:30.142176+00:00 |
| provisional | false |
| track | [{"utc":"2026-04-03T05:27:14.410368+00:00","mean_motion":15.30199948,"altitude_km":475.215,"eccentricity":0.000113,"inclination_deg":53.1613},{"utc":"2026-04-04T01:49:56.218368+00:00","mean_motion":15 |
| total_sensor_hits | 0 |
Provenance
- celestrak
Storage: dossier · celestial_storehouse/satellite_decay/61517.json