The Dexes / Satellite Decay / 59447
CelestialObjectDex · Satellite Decay
QPS-SAR-7 (TSUKUYOMI-II)
59447 · 2026-04-03T15:53:22Z
Fixes
283
Observations
283
The record
Everything the slot carries, as measured. Series arrays are drawn above and listed here in full.
| start_utc | 2026-04-03T15:53:22.894656+00:00 |
|---|---|
| end_utc | 2026-08-09T18:49:21.360864+00:00 |
| family | celestialdex |
| norad_id | 59,447 |
| object_name | QPS-SAR-7 (TSUKUYOMI-II) |
| group | active |
| eccentricity_median | 0.000 |
| inclination_deg_median | 45.604 |
| n_snaps | 283 |
| span_days | 128.122 |
| mean_motion_first | 15.080 |
| mean_motion_last | 15.095 |
| delta_mean_motion | 0.016 |
| altitude_first_km | 542.437 |
| altitude_last_km | 537.592 |
| decay_rate_rev_day2 | 0.000 |
| altitude_decay_km_day | -0.038 |
| 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 | 2026-04-03T15:53:22.894656+00:00 |
| last_utc | 2026-08-09T18:49:21.360864+00:00 |
| last_fix_utc | 2026-08-09T18:49:21.360864+00:00 |
| provisional | false |
| track | [{"utc":"2026-04-03T15:53:22.894656+00:00","mean_motion":15.0795924,"altitude_km":542.437,"eccentricity":0.00022363,"inclination_deg":45.6039},{"utc":"2026-04-03T20:39:34.503264+00:00","mean_motion":1 |
| total_sensor_hits | 0 |
Provenance
- celestrak
Storage: dossier · celestial_storehouse/satellite_decay/59447.json