The Dexes / Satellite Decay / 39417
CelestialObjectDex · Satellite Decay
ZACUBE-1 (TSHEPISOSAT)
39417 · 2026-04-03T09:43:12Z
Fixes
230
Observations
230
The record
Everything the slot carries, as measured. Series arrays are drawn above and listed here in full.
| start_utc | 2026-04-03T09:43:12.679968+00:00 |
|---|---|
| end_utc | 2026-08-09T20:38:21.494400+00:00 |
| family | celestialdex |
| norad_id | 39,417 |
| object_name | ZACUBE-1 (TSHEPISOSAT) |
| group | active |
| eccentricity_median | 0.004 |
| inclination_deg_median | 97.810 |
| n_snaps | 230 |
| span_days | 128.455 |
| mean_motion_first | 15.006 |
| mean_motion_last | 15.015 |
| delta_mean_motion | 0.009 |
| altitude_first_km | 565.137 |
| altitude_last_km | 562.294 |
| decay_rate_rev_day2 | 0.000 |
| altitude_decay_km_day | -0.022 |
| 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 | 2026-04-03T09:43:12.679968+00:00 |
| last_utc | 2026-08-09T20:38:21.494400+00:00 |
| last_fix_utc | 2026-08-09T20:38:21.494400+00:00 |
| provisional | false |
| track | [{"utc":"2026-04-03T09:43:12.679968+00:00","mean_motion":15.00570305,"altitude_km":565.137,"eccentricity":0.00449376,"inclination_deg":97.8146},{"utc":"2026-04-03T20:55:22.471104+00:00","mean_motion": |
| total_sensor_hits | 0 |
Provenance
- celestrak
Storage: dossier · celestial_storehouse/satellite_decay/39417.json