The Dexes / Satellite Decay / 39574
CelestialObjectDex · Satellite Decay
GPM-CORE
39574 · 2026-04-02T17:25:04Z
Fixes
291
Observations
291
The record
Everything the slot carries, as measured. Series arrays are drawn above and listed here in full.
| start_utc | 2026-04-02T17:25:04.784448+00:00 |
|---|---|
| end_utc | 2026-08-09T20:52:41.844864+00:00 |
| family | celestialdex |
| norad_id | 39,574 |
| object_name | GPM-CORE |
| group | active |
| eccentricity_median | 0.001 |
| inclination_deg_median | 64.972 |
| n_snaps | 291 |
| span_days | 129.144 |
| mean_motion_first | 15.453 |
| mean_motion_last | 15.454 |
| delta_mean_motion | 0.001 |
| altitude_first_km | 430.503 |
| altitude_last_km | 430.181 |
| decay_rate_rev_day2 | 0.000 |
| altitude_decay_km_day | -0.015 |
| 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 | 2026-04-02T17:25:04.784448+00:00 |
| last_utc | 2026-08-09T20:52:41.844864+00:00 |
| last_fix_utc | 2026-08-09T20:52:41.844864+00:00 |
| provisional | false |
| track | [{"utc":"2026-04-02T17:25:04.784448+00:00","mean_motion":15.45297926,"altitude_km":430.503,"eccentricity":0.00124913,"inclination_deg":64.9739},{"utc":"2026-04-03T19:50:35.107872+00:00","mean_motion": |
| total_sensor_hits | 0 |
Provenance
- celestrak
Storage: dossier · celestial_storehouse/satellite_decay/39574.json