The Dexes / Satellite Decay / 55373
CelestialObjectDex · Satellite Decay
STARLINK-5581
55373 · 2026-04-03T14:32:56Z
Fixes
198
Observations
198
The record
Everything the slot carries, as measured. Series arrays are drawn above and listed here in full.
| start_utc | 2026-04-03T14:32:56.737536+00:00 |
|---|---|
| end_utc | 2026-08-09T00:04:43.937184+00:00 |
| family | celestialdex |
| norad_id | 55,373 |
| object_name | STARLINK-5581 |
| group | active |
| eccentricity_median | 0.000 |
| inclination_deg_median | 43.002 |
| n_snaps | 198 |
| span_days | 127.397 |
| mean_motion_first | 15.099 |
| mean_motion_last | 15.276 |
| delta_mean_motion | 0.177 |
| altitude_first_km | 536.456 |
| altitude_last_km | 483.065 |
| decay_rate_rev_day2 | 0.001 |
| altitude_decay_km_day | -0.431 |
| 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 | 2026-04-03T14:32:56.737536+00:00 |
| last_utc | 2026-08-09T00:04:43.937184+00:00 |
| last_fix_utc | 2026-08-09T00:04:43.937184+00:00 |
| provisional | false |
| track | [{"utc":"2026-04-03T14:32:56.737536+00:00","mean_motion":15.09916114,"altitude_km":536.456,"eccentricity":0.00014731,"inclination_deg":43.0036},{"utc":"2026-04-04T06:25:32.040480+00:00","mean_motion": |
| total_sensor_hits | 0 |
Provenance
- celestrak
Storage: dossier · celestial_storehouse/satellite_decay/55373.json