The Dexes / Satellite Decay / 39533
CelestialObjectDex · Satellite Decay
NAVSTAR 69 (USA 248)
39533 · 2026-04-03T09:30:41Z
Fixes
99
Observations
99
The record
Everything the slot carries, as measured. Series arrays are drawn above and listed here in full.
| start_utc | 2026-04-03T09:30:41.617728+00:00 |
|---|---|
| end_utc | 2026-08-08T00:53:39.778080+00:00 |
| family | celestialdex |
| norad_id | 39,533 |
| object_name | NAVSTAR 69 (USA 248) |
| group | active |
| eccentricity_median | 0.008 |
| inclination_deg_median | 53.654 |
| n_snaps | 99 |
| span_days | 126.641 |
| mean_motion_first | 2.006 |
| mean_motion_last | 2.006 |
| delta_mean_motion | 0.000 |
| altitude_first_km | 20182.966 |
| altitude_last_km | 20182.257 |
| 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 | 2026-04-03T09:30:41.617728+00:00 |
| last_utc | 2026-08-08T00:53:39.778080+00:00 |
| last_fix_utc | 2026-08-08T00:53:39.778080+00:00 |
| provisional | false |
| track | [{"utc":"2026-04-03T09:30:41.617728+00:00","mean_motion":2.00555045,"altitude_km":20182.966,"eccentricity":0.00832574,"inclination_deg":53.6404},{"utc":"2026-04-04T09:26:39.008256+00:00","mean_motion" |
| total_sensor_hits | 0 |
Provenance
- celestrak
Storage: dossier · celestial_storehouse/satellite_decay/39533.json