The Dexes / Satellite Decay / 26715
CelestialObjectDex · Satellite Decay
USA 157 (MILSTAR-2 2)
26715 · 2026-04-02T12:56:38Z
Fixes
179
Sensor hits
0
Observations
179
The record
Everything the slot carries, as measured. Series arrays are drawn above and listed here in full.
| start_utc | 2026-04-02T12:56:38.851584+00:00 |
|---|---|
| end_utc | 2026-08-09T14:52:22.677888+00:00 |
| family | celestialdex |
| norad_id | 26,715 |
| object_name | USA 157 (MILSTAR-2 2) |
| group | active |
| eccentricity_median | 0.004 |
| inclination_deg_median | 11.534 |
| n_snaps | 179 |
| span_days | 129.080 |
| mean_motion_first | 1.003 |
| mean_motion_last | 1.003 |
| delta_mean_motion | -0.000 |
| altitude_first_km | 35784.414 |
| altitude_last_km | 35,786 |
| decay_rate_rev_day2 | 0.000 |
| altitude_decay_km_day | -0.001 |
| 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 | 2026-04-02T12:56:38.851584+00:00 |
| last_utc | 2026-08-09T14:52:22.677888+00:00 |
| last_fix_utc | 2026-08-09T14:52:22.677888+00:00 |
| provisional | false |
| track | [{"utc":"2026-04-02T12:56:38.851584+00:00","mean_motion":1.00279564,"altitude_km":35784.414,"eccentricity":0.00373906,"inclination_deg":11.4609},{"utc":"2026-04-04T12:02:38.730624+00:00","mean_motion" |
Provenance
- celestrak
Storage: dossier · celestial_storehouse/satellite_decay/26715.json