The Dexes / Satellite Decay / 41729
CelestialObjectDex · Satellite Decay
JCSAT-16
41729 · 2026-04-03T10:05:23Z
Fixes
222
Observations
222
The record
Everything the slot carries, as measured. Series arrays are drawn above and listed here in full.
| start_utc | 2026-04-03T10:05:23.856000+00:00 |
|---|---|
| end_utc | 2026-08-09T17:58:58.300896+00:00 |
| family | celestialdex |
| norad_id | 41,729 |
| object_name | JCSAT-16 |
| group | active |
| eccentricity_median | 0.000 |
| inclination_deg_median | 0.017 |
| n_snaps | 222 |
| span_days | 128.329 |
| mean_motion_first | 1.003 |
| mean_motion_last | 1.003 |
| delta_mean_motion | 0.000 |
| altitude_first_km | 35787.498 |
| altitude_last_km | 35786.980 |
| decay_rate_rev_day2 | 0.000 |
| altitude_decay_km_day | -0.003 |
| 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 | 2026-04-03T10:05:23.856000+00:00 |
| last_utc | 2026-08-09T17:58:58.300896+00:00 |
| last_fix_utc | 2026-08-09T17:58:58.300896+00:00 |
| provisional | false |
| track | [{"utc":"2026-04-03T10:05:23.856000+00:00","mean_motion":1.00268563,"altitude_km":35787.498,"eccentricity":0.00012128,"inclination_deg":0.0196},{"utc":"2026-04-04T05:39:38.842272+00:00","mean_motion": |
| total_sensor_hits | 0 |
Provenance
- celestrak
Storage: dossier · celestial_storehouse/satellite_decay/41729.json