The Dexes / Satellite Decay / 41744
CelestialObjectDex · Satellite Decay
USA 270
41744 · 2026-04-03T08:31:32Z
Fixes
187
Observations
187
The record
Everything the slot carries, as measured. Series arrays are drawn above and listed here in full.
| start_utc | 2026-04-03T08:31:32.856096+00:00 |
|---|---|
| end_utc | 2026-08-07T12:51:29.935296+00:00 |
| family | celestialdex |
| norad_id | 41,744 |
| object_name | USA 270 |
| group | active |
| eccentricity_median | 0.001 |
| inclination_deg_median | 4.218 |
| n_snaps | 187 |
| span_days | 126.181 |
| mean_motion_first | 1.003 |
| mean_motion_last | 1.003 |
| delta_mean_motion | -0.001 |
| altitude_first_km | 35769.159 |
| altitude_last_km | 35791.256 |
| decay_rate_rev_day2 | 0.000 |
| altitude_decay_km_day | -0.670 |
| 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 | 2026-04-03T08:31:32.856096+00:00 |
| last_utc | 2026-08-07T12:51:29.935296+00:00 |
| last_fix_utc | 2026-08-07T12:51:29.935296+00:00 |
| provisional | false |
| track | [{"utc":"2026-04-03T08:31:32.856096+00:00","mean_motion":1.00334013,"altitude_km":35769.159,"eccentricity":0.000383,"inclination_deg":4.0059},{"utc":"2026-05-21T09:55:47.783136+00:00","mean_motion":1. |
| total_sensor_hits | 0 |
Provenance
- celestrak
Storage: dossier · celestial_storehouse/satellite_decay/41744.json