The Dexes / Satellite Decay / 43578
CelestialObjectDex · Satellite Decay
IRIDIUM 159
43578 · 2026-04-03T11:37:10Z
Fixes
253
Observations
253
The record
Everything the slot carries, as measured. Series arrays are drawn above and listed here in full.
| start_utc | 2026-04-03T11:37:10.373376+00:00 |
|---|---|
| end_utc | 2026-08-23T21:09:38.462688+00:00 |
| family | celestialdex |
| norad_id | 43,578 |
| object_name | IRIDIUM 159 |
| group | active |
| eccentricity_median | 0.000 |
| inclination_deg_median | 86.395 |
| n_snaps | 253 |
| span_days | 142.398 |
| mean_motion_first | 14.342 |
| mean_motion_last | 14.342 |
| delta_mean_motion | 0.000 |
| altitude_first_km | 777.668 |
| altitude_last_km | 777.666 |
| decay_rate_rev_day2 | 0.000 |
| altitude_decay_km_day | -0 |
| 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 | 2026-04-03T11:37:10.373376+00:00 |
| last_utc | 2026-08-23T21:09:38.462688+00:00 |
| last_fix_utc | 2026-08-23T21:09:38.462688+00:00 |
| provisional | false |
| track | [{"utc":"2026-04-03T11:37:10.373376+00:00","mean_motion":14.34217548,"altitude_km":777.668,"eccentricity":0.00020448,"inclination_deg":86.391},{"utc":"2026-04-04T01:00:54.366624+00:00","mean_motion":1 |
| total_sensor_hits | 0 |
Provenance
- celestrak
Storage: dossier · celestial_storehouse/satellite_decay/43578.json