The Dexes / Satellite Decay / 52689
CelestialObjectDex · Satellite Decay
STARLINK-4078
52689 · 2026-04-03T15:20:13Z
Fixes
221
Observations
221
The record
Everything the slot carries, as measured. Series arrays are drawn above and listed here in full.
| start_utc | 2026-04-03T15:20:13.027488+00:00 |
|---|---|
| end_utc | 2026-08-05T00:59:09.263616+00:00 |
| family | celestialdex |
| norad_id | 52,689 |
| object_name | STARLINK-4078 |
| group | active |
| eccentricity_median | 0.001 |
| inclination_deg_median | 53.206 |
| n_snaps | 221 |
| span_days | 123.402 |
| mean_motion_first | 15.577 |
| mean_motion_last | 16.252 |
| delta_mean_motion | 0.674 |
| altitude_first_km | 394.254 |
| altitude_last_km | 205.603 |
| decay_rate_rev_day2 | 0.004 |
| altitude_decay_km_day | -1.053 |
| 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 | 2026-04-03T15:20:13.027488+00:00 |
| last_utc | 2026-08-05T00:59:09.263616+00:00 |
| last_fix_utc | 2026-08-05T00:59:09.263616+00:00 |
| provisional | false |
| track | [{"utc":"2026-04-03T15:20:13.027488+00:00","mean_motion":15.57721245,"altitude_km":394.254,"eccentricity":0.00028142,"inclination_deg":53.2107},{"utc":"2026-04-04T00:34:31.998144+00:00","mean_motion": |
| total_sensor_hits | 0 |
Provenance
- celestrak
Storage: dossier · celestial_storehouse/satellite_decay/52689.json