The Dexes / Satellite Decay / 28158
CelestialObjectDex · Satellite Decay
USA 176 (DSP 22)
28158 · 2026-04-03T09:37:30Z
Fixes
152
Observations
152
The record
Everything the slot carries, as measured. Series arrays are drawn above and listed here in full.
| start_utc | 2026-04-03T09:37:30.832320+00:00 |
|---|---|
| end_utc | 2026-08-09T08:10:38.589888+00:00 |
| family | celestialdex |
| norad_id | 28,158 |
| object_name | USA 176 (DSP 22) |
| group | active |
| eccentricity_median | 0.000 |
| inclination_deg_median | 12.055 |
| n_snaps | 152 |
| span_days | 127.940 |
| mean_motion_first | 1.004 |
| mean_motion_last | 1.003 |
| delta_mean_motion | -0.002 |
| altitude_first_km | 35741.974 |
| altitude_last_km | 35785.279 |
| decay_rate_rev_day2 | -0.000 |
| altitude_decay_km_day | 0.486 |
| 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 | 2026-04-03T09:37:30.832320+00:00 |
| last_utc | 2026-08-09T08:10:38.589888+00:00 |
| last_fix_utc | 2026-08-09T08:10:38.589888+00:00 |
| provisional | false |
| track | [{"utc":"2026-04-03T09:37:30.832320+00:00","mean_motion":1.00431165,"altitude_km":35741.974,"eccentricity":0.00021851,"inclination_deg":11.9625},{"utc":"2026-04-05T19:11:06.621216+00:00","mean_motion" |
| total_sensor_hits | 0 |
Provenance
- celestrak
Storage: dossier · celestial_storehouse/satellite_decay/28158.json