The Dexes / Satellite Decay / 27704
CelestialObjectDex · Satellite Decay
NAVSTAR 52 (USA 168)
27704 · 2026-04-02T14:45:38Z
Fixes
180
Sensor hits
0
Observations
180
The record
Everything the slot carries, as measured. Series arrays are drawn above and listed here in full.
| start_utc | 2026-04-02T14:45:38.585952+00:00 |
|---|---|
| end_utc | 2026-08-09T19:00:00.000288+00:00 |
| family | celestialdex |
| norad_id | 27,704 |
| object_name | NAVSTAR 52 (USA 168) |
| group | active |
| eccentricity_median | 0.000 |
| inclination_deg_median | 54.830 |
| n_snaps | 180 |
| span_days | 129.177 |
| mean_motion_first | 1.947 |
| mean_motion_last | 1.915 |
| delta_mean_motion | -0.033 |
| altitude_first_km | 20708.830 |
| altitude_last_km | 21018.088 |
| decay_rate_rev_day2 | -0.000 |
| altitude_decay_km_day | 3.505 |
| 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 | 2026-04-02T14:45:38.585952+00:00 |
| last_utc | 2026-08-09T19:00:00.000288+00:00 |
| last_fix_utc | 2026-08-09T19:00:00.000288+00:00 |
| provisional | false |
| track | [{"utc":"2026-04-02T14:45:38.585952+00:00","mean_motion":1.94743156,"altitude_km":20708.83,"eccentricity":0.00042441,"inclination_deg":54.857},{"utc":"2026-04-05T04:11:14.855136+00:00","mean_motion":1 |
Provenance
- celestrak
Storage: dossier · celestial_storehouse/satellite_decay/27704.json