The Dexes / Satellite Decay / 39741
CelestialObjectDex · Satellite Decay
NAVSTAR 70 (USA 251)
39741 · 2026-04-03T04:10:59Z
Fixes
95
Observations
95
The record
Everything the slot carries, as measured. Series arrays are drawn above and listed here in full.
| start_utc | 2026-04-03T04:10:59.698848+00:00 |
|---|---|
| end_utc | 2026-08-09T19:26:23.839296+00:00 |
| family | celestialdex |
| norad_id | 39,741 |
| object_name | NAVSTAR 70 (USA 251) |
| group | active |
| eccentricity_median | 0.004 |
| inclination_deg_median | 56.497 |
| n_snaps | 95 |
| span_days | 128.636 |
| mean_motion_first | 2.006 |
| mean_motion_last | 2.006 |
| delta_mean_motion | -0.000 |
| altitude_first_km | 20181.946 |
| altitude_last_km | 20182.795 |
| decay_rate_rev_day2 | -0.000 |
| altitude_decay_km_day | 0.006 |
| 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 | 2026-04-03T04:10:59.698848+00:00 |
| last_utc | 2026-08-09T19:26:23.839296+00:00 |
| last_fix_utc | 2026-08-09T19:26:23.839296+00:00 |
| provisional | false |
| track | [{"utc":"2026-04-03T04:10:59.698848+00:00","mean_motion":2.00566602,"altitude_km":20181.946,"eccentricity":0.00393917,"inclination_deg":56.5324},{"utc":"2026-04-03T16:08:56.686848+00:00","mean_motion" |
| total_sensor_hits | 0 |
Provenance
- celestrak
Storage: dossier · celestial_storehouse/satellite_decay/39741.json