The Dexes / Satellite Decay / 67687
CelestialObjectDex · Satellite Decay
HMU-SAT2
67687 · 2026-04-03T15:02:02Z
Fixes
158
Observations
158
The record
Everything the slot carries, as measured. Series arrays are drawn above and listed here in full.
| start_utc | 2026-04-03T15:02:02.924736+00:00 |
|---|---|
| end_utc | 2026-08-09T17:41:17.386656+00:00 |
| family | celestialdex |
| norad_id | 67,687 |
| object_name | HMU-SAT2 |
| group | active |
| eccentricity_median | 0.001 |
| inclination_deg_median | 51.630 |
| n_snaps | 158 |
| span_days | 128.111 |
| mean_motion_first | 15.544 |
| mean_motion_last | 15.673 |
| delta_mean_motion | 0.129 |
| altitude_first_km | 404.017 |
| altitude_last_km | 366.680 |
| decay_rate_rev_day2 | 0.001 |
| altitude_decay_km_day | -0.284 |
| 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 | 2026-04-03T15:02:02.924736+00:00 |
| last_utc | 2026-08-09T17:41:17.386656+00:00 |
| last_fix_utc | 2026-08-09T17:41:17.386656+00:00 |
| provisional | false |
| track | [{"utc":"2026-04-03T15:02:02.924736+00:00","mean_motion":15.54358884,"altitude_km":404.017,"eccentricity":0.00089184,"inclination_deg":51.6306},{"utc":"2026-04-03T21:12:22.160448+00:00","mean_motion": |
| total_sensor_hits | 0 |
Provenance
- celestrak
Storage: dossier · celestial_storehouse/satellite_decay/67687.json