The Dexes / Satellite Decay / 27168
CelestialObjectDex · Satellite Decay
USA 164 (MILSTAR-2 3)
27168 · 2026-04-02T23:39:38Z
Fixes
159
Observations
159
The record
Everything the slot carries, as measured. Series arrays are drawn above and listed here in full.
| start_utc | 2026-04-02T23:39:38.657376+00:00 |
|---|---|
| end_utc | 2026-08-09T19:09:13.405248+00:00 |
| family | celestialdex |
| norad_id | 27,168 |
| object_name | USA 164 (MILSTAR-2 3) |
| group | active |
| eccentricity_median | 0.010 |
| inclination_deg_median | 11.173 |
| n_snaps | 159 |
| span_days | 128.812 |
| mean_motion_first | 1.003 |
| mean_motion_last | 1.003 |
| delta_mean_motion | 0.000 |
| altitude_first_km | 35786.903 |
| altitude_last_km | 35785.195 |
| 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 | 2026-04-02T23:39:38.657376+00:00 |
| last_utc | 2026-08-09T19:09:13.405248+00:00 |
| last_fix_utc | 2026-08-09T19:09:13.405248+00:00 |
| provisional | false |
| track | [{"utc":"2026-04-02T23:39:38.657376+00:00","mean_motion":1.00270686,"altitude_km":35786.903,"eccentricity":0.0099793,"inclination_deg":11.0896},{"utc":"2026-04-04T23:56:15.296064+00:00","mean_motion": |
| total_sensor_hits | 0 |
Provenance
- celestrak
Storage: dossier · celestial_storehouse/satellite_decay/27168.json