The Dexes / Satellite Decay / 55239
CelestialObjectDex · Satellite Decay
APSTAR-6E
55239 · 2026-03-31T22:08:38Z
Fixes
150
Sensor hits
0
Observations
150
The record
Everything the slot carries, as measured. Series arrays are drawn above and listed here in full.
| start_utc | 2026-03-31T22:08:38.714784+00:00 |
|---|---|
| end_utc | 2026-08-06T12:56:52.243584+00:00 |
| family | celestialdex |
| norad_id | 55,239 |
| object_name | APSTAR-6E |
| group | active |
| eccentricity_median | 0.000 |
| inclination_deg_median | 0.025 |
| n_snaps | 150 |
| span_days | 127.617 |
| mean_motion_first | 1.003 |
| mean_motion_last | 1.003 |
| delta_mean_motion | -0.000 |
| altitude_first_km | 35786.485 |
| altitude_last_km | 35786.510 |
| decay_rate_rev_day2 | 0.000 |
| altitude_decay_km_day | -0.011 |
| 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 | 2026-03-31T22:08:38.714784+00:00 |
| last_utc | 2026-08-06T12:56:52.243584+00:00 |
| last_fix_utc | 2026-08-06T12:56:52.243584+00:00 |
| provisional | false |
| track | [{"utc":"2026-03-31T22:08:38.714784+00:00","mean_motion":1.00272176,"altitude_km":35786.485,"eccentricity":0.00004811,"inclination_deg":0.0124},{"utc":"2026-04-04T10:00:02.948256+00:00","mean_motion": |
Provenance
- celestrak
Storage: dossier · celestial_storehouse/satellite_decay/55239.json