The Dexes / Satellite Decay / 43929
CelestialObjectDex · Satellite Decay
IRIDIUM 171
43929 · 2026-04-03T07:11:34Z
Fixes
239
Observations
239
The record
Everything the slot carries, as measured. Series arrays are drawn above and listed here in full.
| start_utc | 2026-04-03T07:11:34.649376+00:00 |
|---|---|
| end_utc | 2026-08-09T19:31:10.727904+00:00 |
| family | celestialdex |
| norad_id | 43,929 |
| object_name | IRIDIUM 171 |
| group | active |
| eccentricity_median | 0.000 |
| inclination_deg_median | 86.401 |
| n_snaps | 239 |
| span_days | 128.514 |
| mean_motion_first | 14.342 |
| mean_motion_last | 14.342 |
| delta_mean_motion | 0.000 |
| altitude_first_km | 777.670 |
| altitude_last_km | 777.654 |
| decay_rate_rev_day2 | 0.000 |
| altitude_decay_km_day | -0.000 |
| 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 | 2026-04-03T07:11:34.649376+00:00 |
| last_utc | 2026-08-09T19:31:10.727904+00:00 |
| last_fix_utc | 2026-08-09T19:31:10.727904+00:00 |
| provisional | false |
| track | [{"utc":"2026-04-03T07:11:34.649376+00:00","mean_motion":14.34216822,"altitude_km":777.67,"eccentricity":0.0002361,"inclination_deg":86.4026},{"utc":"2026-04-03T20:35:18.646080+00:00","mean_motion":14 |
| total_sensor_hits | 0 |
Provenance
- celestrak
Storage: dossier · celestial_storehouse/satellite_decay/43929.json