The Dexes / Satellite Decay / 39019
CelestialObjectDex · Satellite Decay
PLEIADES 1B
39019 · 2026-04-03T15:31:27Z
Fixes
312
Observations
312
The record
Everything the slot carries, as measured. Series arrays are drawn above and listed here in full.
| start_utc | 2026-04-03T15:31:27.350976+00:00 |
|---|---|
| end_utc | 2026-08-09T20:43:20.279424+00:00 |
| family | celestialdex |
| norad_id | 39,019 |
| object_name | PLEIADES 1B |
| group | active |
| eccentricity_median | 0.000 |
| inclination_deg_median | 98.195 |
| n_snaps | 312 |
| span_days | 128.217 |
| mean_motion_first | 14.586 |
| mean_motion_last | 14.585 |
| delta_mean_motion | -0.000 |
| altitude_first_km | 697.860 |
| altitude_last_km | 697.872 |
| decay_rate_rev_day2 | -0.000 |
| altitude_decay_km_day | 0.001 |
| 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 | 2026-04-03T15:31:27.350976+00:00 |
| last_utc | 2026-08-09T20:43:20.279424+00:00 |
| last_fix_utc | 2026-08-09T20:43:20.279424+00:00 |
| provisional | false |
| track | [{"utc":"2026-04-03T15:31:27.350976+00:00","mean_motion":14.58550018,"altitude_km":697.86,"eccentricity":0.00013453,"inclination_deg":98.1982},{"utc":"2026-04-03T20:27:48.993696+00:00","mean_motion":1 |
| total_sensor_hits | 0 |
Provenance
- celestrak
Storage: dossier · celestial_storehouse/satellite_decay/39019.json