The Dexes / Satellite Decay / 30580
CelestialObjectDex · Satellite Decay
THEMIS A
30580 · 2026-04-02T10:54:43Z
Fixes
202
Sensor hits
0
Observations
202
The record
Everything the slot carries, as measured. Series arrays are drawn above and listed here in full.
| start_utc | 2026-04-02T10:54:43.080192+00:00 |
|---|---|
| end_utc | 2026-07-19T07:13:59.850624+00:00 |
| family | celestialdex |
| norad_id | 30,580 |
| object_name | THEMIS A |
| group | active |
| eccentricity_median | 0.836 |
| inclination_deg_median | 8.600 |
| n_snaps | 202 |
| span_days | 107.847 |
| mean_motion_first | 0.878 |
| mean_motion_last | 0.878 |
| delta_mean_motion | -0.000 |
| altitude_first_km | 39674.553 |
| altitude_last_km | 39675.129 |
| decay_rate_rev_day2 | -0.000 |
| altitude_decay_km_day | 0.003 |
| 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 | 2026-04-02T10:54:43.080192+00:00 |
| last_utc | 2026-07-19T07:13:59.850624+00:00 |
| last_fix_utc | 2026-07-19T07:13:59.850624+00:00 |
| provisional | false |
| track | [{"utc":"2026-04-02T10:54:43.080192+00:00","mean_motion":0.87845649,"altitude_km":39674.553,"eccentricity":0.83916246,"inclination_deg":7.2343},{"utc":"2026-04-04T17:18:10.968192+00:00","mean_motion": |
Provenance
- celestrak
Storage: dossier · celestial_storehouse/satellite_decay/30580.json