The Dexes / Satellite Decay / 39166
CelestialObjectDex · Satellite Decay
NAVSTAR 68 (USA 242)
39166 · 2026-03-31T21:41:02Z
Fixes
99
Sensor hits
0
Observations
99
The record
Everything the slot carries, as measured. Series arrays are drawn above and listed here in full.
| start_utc | 2026-03-31T21:41:02.271264+00:00 |
|---|---|
| end_utc | 2026-08-09T00:46:53.316192+00:00 |
| family | celestialdex |
| norad_id | 39,166 |
| object_name | NAVSTAR 68 (USA 242) |
| group | active |
| eccentricity_median | 0.014 |
| inclination_deg_median | 54.502 |
| n_snaps | 99 |
| span_days | 130.129 |
| mean_motion_first | 2.006 |
| mean_motion_last | 2.006 |
| delta_mean_motion | -0.000 |
| altitude_first_km | 20182.177 |
| altitude_last_km | 20182.246 |
| 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 | 2026-03-31T21:41:02.271264+00:00 |
| last_utc | 2026-08-09T00:46:53.316192+00:00 |
| last_fix_utc | 2026-08-09T00:46:53.316192+00:00 |
| provisional | false |
| track | [{"utc":"2026-03-31T21:41:02.271264+00:00","mean_motion":2.00563989,"altitude_km":20182.177,"eccentricity":0.0141962,"inclination_deg":54.5658},{"utc":"2026-04-10T21:00:05.063904+00:00","mean_motion": |
Provenance
- celestrak
Storage: dossier · celestial_storehouse/satellite_decay/39166.json