The Dexes / Satellite Decay / 57401
CelestialObjectDex · Satellite Decay
TIANMU-1 09
57401 · 2026-04-03T14:21:11Z
Fixes
294
Observations
294
The record
Everything the slot carries, as measured. Series arrays are drawn above and listed here in full.
| start_utc | 2026-04-03T14:21:11.424096+00:00 |
|---|---|
| end_utc | 2026-08-09T20:53:56.133312+00:00 |
| family | celestialdex |
| norad_id | 57,401 |
| object_name | TIANMU-1 09 |
| group | active |
| eccentricity_median | 0.000 |
| inclination_deg_median | 97.254 |
| n_snaps | 294 |
| span_days | 128.273 |
| mean_motion_first | 15.294 |
| mean_motion_last | 15.304 |
| delta_mean_motion | 0.010 |
| altitude_first_km | 477.643 |
| altitude_last_km | 474.541 |
| decay_rate_rev_day2 | 0.000 |
| altitude_decay_km_day | -0.029 |
| 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 | 2026-04-03T14:21:11.424096+00:00 |
| last_utc | 2026-08-09T20:53:56.133312+00:00 |
| last_fix_utc | 2026-08-09T20:53:56.133312+00:00 |
| provisional | false |
| track | [{"utc":"2026-04-03T14:21:11.424096+00:00","mean_motion":15.29387248,"altitude_km":477.643,"eccentricity":0.00049881,"inclination_deg":97.2617},{"utc":"2026-04-03T20:38:03.252768+00:00","mean_motion": |
| total_sensor_hits | 0 |
Provenance
- celestrak
Storage: dossier · celestial_storehouse/satellite_decay/57401.json