The Dexes / Satellite Decay / 54691
CelestialObjectDex · Satellite Decay
JIAOTONG 5 (HEAD-2H)
54691 · 2026-04-03T15:16:46Z
Fixes
101
Observations
101
The record
Everything the slot carries, as measured. Series arrays are drawn above and listed here in full.
| start_utc | 2026-04-03T15:16:46.068384+00:00 |
|---|---|
| end_utc | 2026-05-15T20:52:29.148384+00:00 |
| family | celestialdex |
| norad_id | 54,691 |
| object_name | JIAOTONG 5 (HEAD-2H) |
| group | active |
| eccentricity_median | 0.001 |
| inclination_deg_median | 97.599 |
| n_snaps | 101 |
| span_days | 42.233 |
| mean_motion_first | 15.787 |
| mean_motion_last | 16.288 |
| delta_mean_motion | 0.501 |
| altitude_first_km | 334.034 |
| altitude_last_km | 195.688 |
| decay_rate_rev_day2 | 0.009 |
| altitude_decay_km_day | -2.405 |
| 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 | 2026-04-03T15:16:46.068384+00:00 |
| last_utc | 2026-05-15T20:52:29.148384+00:00 |
| last_fix_utc | 2026-05-15T20:52:29.148384+00:00 |
| provisional | false |
| track | [{"utc":"2026-04-03T15:16:46.068384+00:00","mean_motion":15.78731387,"altitude_km":334.034,"eccentricity":0.00050547,"inclination_deg":97.6085},{"utc":"2026-04-03T19:50:34.734624+00:00","mean_motion": |
| total_sensor_hits | 0 |
Provenance
- celestrak
Storage: dossier · celestial_storehouse/satellite_decay/54691.json