The Dexes / Satellite Decay / 39473
CelestialObjectDex · Satellite Decay
TACSAT 6
39473 · 2026-04-03T06:40:19Z
Fixes
218
Observations
218
The record
Everything the slot carries, as measured. Series arrays are drawn above and listed here in full.
| start_utc | 2026-04-03T06:40:19.994016+00:00 |
|---|---|
| end_utc | 2026-08-09T20:11:11.662944+00:00 |
| family | celestialdex |
| norad_id | 39,473 |
| object_name | TACSAT 6 |
| group | active |
| eccentricity_median | 0.007 |
| inclination_deg_median | 120.463 |
| n_snaps | 218 |
| span_days | 128.563 |
| mean_motion_first | 15.524 |
| mean_motion_last | 15.801 |
| delta_mean_motion | 0.277 |
| altitude_first_km | 409.667 |
| altitude_last_km | 330.027 |
| decay_rate_rev_day2 | 0.002 |
| altitude_decay_km_day | -0.594 |
| 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 | 2026-04-03T06:40:19.994016+00:00 |
| last_utc | 2026-08-09T20:11:11.662944+00:00 |
| last_fix_utc | 2026-08-09T20:11:11.662944+00:00 |
| provisional | false |
| track | [{"utc":"2026-04-03T06:40:19.994016+00:00","mean_motion":15.52418467,"altitude_km":409.667,"eccentricity":0.0068993,"inclination_deg":120.464},{"utc":"2026-04-03T20:34:57.909216+00:00","mean_motion":1 |
| total_sensor_hits | 0 |
Provenance
- celestrak
Storage: dossier · celestial_storehouse/satellite_decay/39473.json