The Dexes / Satellite Decay / 42811
CelestialObjectDex · Satellite Decay
IRIDIUM 128
42811 · 2026-04-03T15:02:18Z
Fixes
227
Observations
227
The record
Everything the slot carries, as measured. Series arrays are drawn above and listed here in full.
| start_utc | 2026-04-03T15:02:18.723840+00:00 |
|---|---|
| end_utc | 2026-08-09T20:40:02.762112+00:00 |
| family | celestialdex |
| norad_id | 42,811 |
| object_name | IRIDIUM 128 |
| group | active |
| eccentricity_median | 0.000 |
| inclination_deg_median | 86.397 |
| n_snaps | 227 |
| span_days | 128.235 |
| mean_motion_first | 14.342 |
| mean_motion_last | 14.342 |
| delta_mean_motion | -0.000 |
| altitude_first_km | 777.663 |
| altitude_last_km | 777.667 |
| 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 | 2026-04-03T15:02:18.723840+00:00 |
| last_utc | 2026-08-09T20:40:02.762112+00:00 |
| last_fix_utc | 2026-08-09T20:40:02.762112+00:00 |
| provisional | false |
| track | [{"utc":"2026-04-03T15:02:18.723840+00:00","mean_motion":14.3421894,"altitude_km":777.663,"eccentricity":0.00024039,"inclination_deg":86.3956},{"utc":"2026-04-03T20:03:42.706080+00:00","mean_motion":1 |
| total_sensor_hits | 0 |
Provenance
- celestrak
Storage: dossier · celestial_storehouse/satellite_decay/42811.json