The Dexes / Satellite Decay / 64786
CelestialObjectDex · Satellite Decay
TIANZHOU-9
64786 · 2026-04-03T15:53:28Z
Fixes
65
Observations
65
The record
Everything the slot carries, as measured. Series arrays are drawn above and listed here in full.
| start_utc | 2026-04-03T15:53:28.326624+00:00 |
|---|---|
| end_utc | 2026-05-07T12:48:59.634720+00:00 |
| family | celestialdex |
| norad_id | 64,786 |
| object_name | TIANZHOU-9 |
| group | active |
| eccentricity_median | 0.001 |
| inclination_deg_median | 41.468 |
| n_snaps | 65 |
| span_days | 33.872 |
| mean_motion_first | 15.619 |
| mean_motion_last | 15.634 |
| delta_mean_motion | 0.015 |
| altitude_first_km | 382.026 |
| altitude_last_km | 377.837 |
| decay_rate_rev_day2 | 0.000 |
| altitude_decay_km_day | -0.133 |
| 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 | 2026-04-03T15:53:28.326624+00:00 |
| last_utc | 2026-05-07T12:48:59.634720+00:00 |
| last_fix_utc | 2026-05-07T12:48:59.634720+00:00 |
| provisional | false |
| track | [{"utc":"2026-04-03T15:53:28.326624+00:00","mean_motion":15.6194971,"altitude_km":382.026,"eccentricity":0.00037754,"inclination_deg":41.4676},{"utc":"2026-04-04T04:10:02.386272+00:00","mean_motion":1 |
| total_sensor_hits | 0 |
Provenance
- celestrak
Storage: dossier · celestial_storehouse/satellite_decay/64786.json