The Dexes / Satellite Decay / 52685
CelestialObjectDex · Satellite Decay
STARLINK-4029
52685 · 2026-04-03T05:42:22Z
Fixes
170
Observations
170
The record
Everything the slot carries, as measured. Series arrays are drawn above and listed here in full.
| start_utc | 2026-04-03T05:42:22.875264+00:00 |
|---|---|
| end_utc | 2026-08-09T03:32:11.169600+00:00 |
| family | celestialdex |
| norad_id | 52,685 |
| object_name | STARLINK-4029 |
| group | active |
| eccentricity_median | 0.000 |
| inclination_deg_median | 53.177 |
| n_snaps | 170 |
| span_days | 127.910 |
| mean_motion_first | 15.089 |
| mean_motion_last | 15.088 |
| delta_mean_motion | -0.000 |
| altitude_first_km | 539.707 |
| altitude_last_km | 539.754 |
| 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 | 2026-04-03T05:42:22.875264+00:00 |
| last_utc | 2026-08-09T03:32:11.169600+00:00 |
| last_fix_utc | 2026-08-09T03:32:11.169600+00:00 |
| provisional | false |
| track | [{"utc":"2026-04-03T05:42:22.875264+00:00","mean_motion":15.08851844,"altitude_km":539.707,"eccentricity":0.0001541,"inclination_deg":53.2172},{"utc":"2026-04-04T05:33:11.354688+00:00","mean_motion":1 |
| total_sensor_hits | 0 |
Provenance
- celestrak
Storage: dossier · celestial_storehouse/satellite_decay/52685.json