The Dexes / Satellite Decay / 37481
CelestialObjectDex · Satellite Decay
SBIRS GEO-1 (USA 230)
37481 · 2026-04-02T14:49:37Z
Fixes
198
Sensor hits
0
Observations
198
The record
Everything the slot carries, as measured. Series arrays are drawn above and listed here in full.
| start_utc | 2026-04-02T14:49:37.457760+00:00 |
|---|---|
| end_utc | 2026-08-09T03:51:27.133344+00:00 |
| family | celestialdex |
| norad_id | 37,481 |
| object_name | SBIRS GEO-1 (USA 230) |
| group | active |
| eccentricity_median | 0.000 |
| inclination_deg_median | 4.510 |
| n_snaps | 198 |
| span_days | 128.543 |
| mean_motion_first | 1.003 |
| mean_motion_last | 1.003 |
| delta_mean_motion | -0.000 |
| altitude_first_km | 35786.373 |
| altitude_last_km | 35786.422 |
| decay_rate_rev_day2 | 0.000 |
| altitude_decay_km_day | -0.000 |
| 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 | 2026-04-02T14:49:37.457760+00:00 |
| last_utc | 2026-08-09T03:51:27.133344+00:00 |
| last_fix_utc | 2026-08-09T03:51:27.133344+00:00 |
| provisional | false |
| track | [{"utc":"2026-04-02T14:49:37.457760+00:00","mean_motion":1.00272578,"altitude_km":35786.373,"eccentricity":0.0002215,"inclination_deg":4.3709},{"utc":"2026-04-03T19:55:06.416832+00:00","mean_motion":1 |
Provenance
- celestrak
Storage: dossier · celestial_storehouse/satellite_decay/37481.json