The Dexes / Satellite Decay / 35684
CelestialObjectDex · Satellite Decay
APRIZESAT 4
35684 · 2026-04-03T14:34:16Z
Fixes
206
Observations
206
The record
Everything the slot carries, as measured. Series arrays are drawn above and listed here in full.
| start_utc | 2026-04-03T14:34:16.299840+00:00 |
|---|---|
| end_utc | 2026-08-09T17:30:20.484000+00:00 |
| family | celestialdex |
| norad_id | 35,684 |
| object_name | APRIZESAT 4 |
| group | active |
| eccentricity_median | 0.004 |
| inclination_deg_median | 98.141 |
| n_snaps | 206 |
| span_days | 128.122 |
| mean_motion_first | 14.838 |
| mean_motion_last | 14.839 |
| delta_mean_motion | 0.002 |
| altitude_first_km | 617.470 |
| altitude_last_km | 616.890 |
| decay_rate_rev_day2 | 0.000 |
| altitude_decay_km_day | -0.004 |
| 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 | 2026-04-03T14:34:16.299840+00:00 |
| last_utc | 2026-08-09T17:30:20.484000+00:00 |
| last_fix_utc | 2026-08-09T17:30:20.484000+00:00 |
| provisional | false |
| track | [{"utc":"2026-04-03T14:34:16.299840+00:00","mean_motion":14.83763397,"altitude_km":617.47,"eccentricity":0.00428973,"inclination_deg":98.1446},{"utc":"2026-04-04T03:31:09.009984+00:00","mean_motion":1 |
| total_sensor_hits | 0 |
Provenance
- celestrak
Storage: dossier · celestial_storehouse/satellite_decay/35684.json