The Dexes / Satellite Decay / 60542
CelestialObjectDex · Satellite Decay
QPS-SAR-8 (AMATERU-IV)
60542 · 2026-04-03T11:12:18Z
Fixes
238
Observations
238
The record
Everything the slot carries, as measured. Series arrays are drawn above and listed here in full.
| start_utc | 2026-04-03T11:12:18.510624+00:00 |
|---|---|
| end_utc | 2026-08-23T12:05:05.379936+00:00 |
| family | celestialdex |
| norad_id | 60,542 |
| object_name | QPS-SAR-8 (AMATERU-IV) |
| group | active |
| eccentricity_median | 0.000 |
| inclination_deg_median | 97.666 |
| n_snaps | 238 |
| span_days | 142.037 |
| mean_motion_first | 15.034 |
| mean_motion_last | 15.047 |
| delta_mean_motion | 0.013 |
| altitude_first_km | 556.477 |
| altitude_last_km | 552.415 |
| decay_rate_rev_day2 | 0.000 |
| altitude_decay_km_day | -0.030 |
| 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 | 2026-04-03T11:12:18.510624+00:00 |
| last_utc | 2026-08-23T12:05:05.379936+00:00 |
| last_fix_utc | 2026-08-23T12:05:05.379936+00:00 |
| provisional | false |
| track | [{"utc":"2026-04-03T11:12:18.510624+00:00","mean_motion":15.03382061,"altitude_km":556.477,"eccentricity":0.00037466,"inclination_deg":97.6689},{"utc":"2026-04-03T19:11:31.633152+00:00","mean_motion": |
| total_sensor_hits | 0 |
Provenance
- celestrak
Storage: dossier · celestial_storehouse/satellite_decay/60542.json