The Dexes / Satellite Decay / 67478
CelestialObjectDex · Satellite Decay
TIANQI-39
67478 · 2026-04-03T14:24:42Z
Fixes
213
Observations
213
The record
Everything the slot carries, as measured. Series arrays are drawn above and listed here in full.
| start_utc | 2026-04-03T14:24:42.386112+00:00 |
|---|---|
| end_utc | 2026-08-08T23:31:54.439680+00:00 |
| family | celestialdex |
| norad_id | 67,478 |
| object_name | TIANQI-39 |
| group | active |
| eccentricity_median | 0.001 |
| inclination_deg_median | 44.981 |
| n_snaps | 213 |
| span_days | 127.380 |
| mean_motion_first | 14.041 |
| mean_motion_last | 13.992 |
| delta_mean_motion | -0.049 |
| altitude_first_km | 879.498 |
| altitude_last_km | 896.479 |
| decay_rate_rev_day2 | -0.000 |
| altitude_decay_km_day | 0.172 |
| 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 | 2026-04-03T14:24:42.386112+00:00 |
| last_utc | 2026-08-08T23:31:54.439680+00:00 |
| last_fix_utc | 2026-08-08T23:31:54.439680+00:00 |
| provisional | false |
| track | [{"utc":"2026-04-03T14:24:42.386112+00:00","mean_motion":14.04138826,"altitude_km":879.498,"eccentricity":0.00155265,"inclination_deg":44.9827},{"utc":"2026-04-04T05:46:49.600704+00:00","mean_motion": |
| total_sensor_hits | 0 |
Provenance
- celestrak
Storage: dossier · celestial_storehouse/satellite_decay/67478.json