The Dexes / Satellite Decay / 42963
CelestialObjectDex · Satellite Decay
IRIDIUM 139
42963 · 2026-04-03T14:34:54Z
Fixes
230
Observations
230
The record
Everything the slot carries, as measured. Series arrays are drawn above and listed here in full.
| start_utc | 2026-04-03T14:34:54.090336+00:00 |
|---|---|
| end_utc | 2026-08-09T20:12:38.704896+00:00 |
| family | celestialdex |
| norad_id | 42,963 |
| object_name | IRIDIUM 139 |
| group | active |
| eccentricity_median | 0.000 |
| inclination_deg_median | 86.398 |
| n_snaps | 230 |
| span_days | 128.235 |
| mean_motion_first | 14.342 |
| mean_motion_last | 14.342 |
| delta_mean_motion | -0.000 |
| altitude_first_km | 777.654 |
| altitude_last_km | 777.671 |
| 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 | 2026-04-03T14:34:54.090336+00:00 |
| last_utc | 2026-08-09T20:12:38.704896+00:00 |
| last_fix_utc | 2026-08-09T20:12:38.704896+00:00 |
| provisional | false |
| track | [{"utc":"2026-04-03T14:34:54.090336+00:00","mean_motion":14.34221685,"altitude_km":777.654,"eccentricity":0.00022625,"inclination_deg":86.3957},{"utc":"2026-04-03T21:16:46.007904+00:00","mean_motion": |
| total_sensor_hits | 0 |
Provenance
- celestrak
Storage: dossier · celestial_storehouse/satellite_decay/42963.json