The Dexes / Satellite Decay / 27875
CelestialObjectDex · Satellite Decay
USA 170
27875 · 2026-04-02T00:02:38Z
Fixes
138
Sensor hits
0
Observations
138
The record
Everything the slot carries, as measured. Series arrays are drawn above and listed here in full.
| start_utc | 2026-04-02T00:02:38.542272+00:00 |
|---|---|
| end_utc | 2026-08-09T19:23:06.391968+00:00 |
| family | celestialdex |
| norad_id | 27,875 |
| object_name | USA 170 |
| group | active |
| eccentricity_median | 0.000 |
| inclination_deg_median | 10.495 |
| n_snaps | 138 |
| span_days | 129.806 |
| mean_motion_first | 1.003 |
| mean_motion_last | 1.003 |
| delta_mean_motion | -0.000 |
| altitude_first_km | 35786.163 |
| altitude_last_km | 35786.809 |
| decay_rate_rev_day2 | -0.000 |
| altitude_decay_km_day | 0.005 |
| 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 | 2026-04-02T00:02:38.542272+00:00 |
| last_utc | 2026-08-09T19:23:06.391968+00:00 |
| last_fix_utc | 2026-08-09T19:23:06.391968+00:00 |
| provisional | false |
| track | [{"utc":"2026-04-02T00:02:38.542272+00:00","mean_motion":1.00273325,"altitude_km":35786.163,"eccentricity":0.00020782,"inclination_deg":10.3408},{"utc":"2026-04-04T02:09:38.651616+00:00","mean_motion" |
Provenance
- celestrak
Storage: dossier · celestial_storehouse/satellite_decay/27875.json