The Dexes / Satellite Decay / 58685
CelestialObjectDex · Satellite Decay
STARLINK-31121
58685 · 2026-04-03T15:11:25Z
Fixes
156
Observations
156
The record
Everything the slot carries, as measured. Series arrays are drawn above and listed here in full.
| start_utc | 2026-04-03T15:11:25.529568+00:00 |
|---|---|
| end_utc | 2026-08-09T15:49:48.391104+00:00 |
| family | celestialdex |
| norad_id | 58,685 |
| object_name | STARLINK-31121 |
| group | active |
| eccentricity_median | 0.000 |
| inclination_deg_median | 43.002 |
| n_snaps | 156 |
| span_days | 128.027 |
| mean_motion_first | 15.276 |
| mean_motion_last | 15.275 |
| delta_mean_motion | -0.000 |
| altitude_first_km | 483.072 |
| altitude_last_km | 483.177 |
| 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 | 2026-04-03T15:11:25.529568+00:00 |
| last_utc | 2026-08-09T15:49:48.391104+00:00 |
| last_fix_utc | 2026-08-09T15:49:48.391104+00:00 |
| provisional | false |
| track | [{"utc":"2026-04-03T15:11:25.529568+00:00","mean_motion":15.27572256,"altitude_km":483.072,"eccentricity":0.0001522,"inclination_deg":43.0031},{"utc":"2026-04-04T14:43:45.795936+00:00","mean_motion":1 |
| total_sensor_hits | 0 |
Provenance
- celestrak
Storage: dossier · celestial_storehouse/satellite_decay/58685.json