The Dexes / Satellite Decay / 41556
CelestialObjectDex · Satellite Decay
ZIYUAN 3-02 (ZY 3-02)
41556 · 2026-04-03T14:28:29Z
Fixes
311
Observations
311
The record
Everything the slot carries, as measured. Series arrays are drawn above and listed here in full.
| start_utc | 2026-04-03T14:28:29.083296+00:00 |
|---|---|
| end_utc | 2026-08-09T20:41:33.362880+00:00 |
| family | celestialdex |
| norad_id | 41,556 |
| object_name | ZIYUAN 3-02 (ZY 3-02) |
| group | active |
| eccentricity_median | 0.001 |
| inclination_deg_median | 97.384 |
| n_snaps | 311 |
| span_days | 128.259 |
| mean_motion_first | 15.213 |
| mean_motion_last | 15.213 |
| delta_mean_motion | -0.000 |
| altitude_first_km | 501.835 |
| altitude_last_km | 501.840 |
| decay_rate_rev_day2 | -0.000 |
| altitude_decay_km_day | 0.001 |
| 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 | 2026-04-03T14:28:29.083296+00:00 |
| last_utc | 2026-08-09T20:41:33.362880+00:00 |
| last_fix_utc | 2026-08-09T20:41:33.362880+00:00 |
| provisional | false |
| track | [{"utc":"2026-04-03T14:28:29.083296+00:00","mean_motion":15.21327774,"altitude_km":501.835,"eccentricity":0.00134243,"inclination_deg":97.3865},{"utc":"2026-04-03T20:47:20.601024+00:00","mean_motion": |
| total_sensor_hits | 0 |
Provenance
- celestrak
Storage: dossier · celestial_storehouse/satellite_decay/41556.json