The Dexes / Satellite Decay / 64340
CelestialObjectDex · Satellite Decay
QPS-SAR-11 (YAMATSUMI-I)
64340 · 2026-04-03T09:52:59Z
Fixes
199
Observations
199
The record
Everything the slot carries, as measured. Series arrays are drawn above and listed here in full.
| start_utc | 2026-04-03T09:52:59.439648+00:00 |
|---|---|
| end_utc | 2026-08-09T19:04:01.947936+00:00 |
| family | celestialdex |
| norad_id | 64,340 |
| object_name | QPS-SAR-11 (YAMATSUMI-I) |
| group | active |
| eccentricity_median | 0.001 |
| inclination_deg_median | 42.008 |
| n_snaps | 199 |
| span_days | 128.383 |
| mean_motion_first | 15.009 |
| mean_motion_last | 15.020 |
| delta_mean_motion | 0.011 |
| altitude_first_km | 563.981 |
| altitude_last_km | 560.655 |
| decay_rate_rev_day2 | 0.000 |
| altitude_decay_km_day | -0.026 |
| 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 | 2026-04-03T09:52:59.439648+00:00 |
| last_utc | 2026-08-09T19:04:01.947936+00:00 |
| last_fix_utc | 2026-08-09T19:04:01.947936+00:00 |
| provisional | false |
| track | [{"utc":"2026-04-03T09:52:59.439648+00:00","mean_motion":15.00945139,"altitude_km":563.981,"eccentricity":0.00096961,"inclination_deg":42.0074},{"utc":"2026-04-04T09:50:20.550048+00:00","mean_motion": |
| total_sensor_hits | 0 |
Provenance
- celestrak
Storage: dossier · celestial_storehouse/satellite_decay/64340.json