The Dexes / Satellite Decay / 26605
CelestialObjectDex · Satellite Decay
NAVSTAR 49 (USA 154)
26605 · 2026-04-03T06:41:09Z
Fixes
141
Observations
141
The record
Everything the slot carries, as measured. Series arrays are drawn above and listed here in full.
| start_utc | 2026-04-03T06:41:09.661920+00:00 |
|---|---|
| end_utc | 2026-08-09T00:00:10.704960+00:00 |
| family | celestialdex |
| norad_id | 26,605 |
| object_name | NAVSTAR 49 (USA 154) |
| group | active |
| eccentricity_median | 0.017 |
| inclination_deg_median | 55.622 |
| n_snaps | 141 |
| span_days | 127.722 |
| mean_motion_first | 2.006 |
| mean_motion_last | 2.006 |
| delta_mean_motion | -0.000 |
| altitude_first_km | 20181.718 |
| altitude_last_km | 20182.263 |
| decay_rate_rev_day2 | -0.000 |
| altitude_decay_km_day | 0.004 |
| 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 | 2026-04-03T06:41:09.661920+00:00 |
| last_utc | 2026-08-09T00:00:10.704960+00:00 |
| last_fix_utc | 2026-08-09T00:00:10.704960+00:00 |
| provisional | false |
| track | [{"utc":"2026-04-03T06:41:09.661920+00:00","mean_motion":2.00569181,"altitude_km":20181.718,"eccentricity":0.01739607,"inclination_deg":55.5823},{"utc":"2026-04-04T16:56:59.244000+00:00","mean_motion" |
| total_sensor_hits | 0 |
Provenance
- celestrak
Storage: dossier · celestial_storehouse/satellite_decay/26605.json