The Dexes / Satellite Decay / 53451
CelestialObjectDex · Satellite Decay
DONGPO 04
53451 · 2026-04-03T14:15:55Z
Fixes
54
Observations
54
The record
Everything the slot carries, as measured. Series arrays are drawn above and listed here in full.
| start_utc | 2026-04-03T14:15:55.099008+00:00 |
|---|---|
| end_utc | 2026-04-27T10:53:52.994976+00:00 |
| family | celestialdex |
| norad_id | 53,451 |
| object_name | DONGPO 04 |
| group | active |
| eccentricity_median | 0.001 |
| inclination_deg_median | 97.553 |
| n_snaps | 54 |
| span_days | 23.860 |
| mean_motion_first | 15.932 |
| mean_motion_last | 16.407 |
| delta_mean_motion | 0.475 |
| altitude_first_km | 293.244 |
| altitude_last_km | 163.832 |
| decay_rate_rev_day2 | 0.014 |
| altitude_decay_km_day | -3.844 |
| 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 | 2026-04-03T14:15:55.099008+00:00 |
| last_utc | 2026-04-27T10:53:52.994976+00:00 |
| last_fix_utc | 2026-04-27T10:53:52.994976+00:00 |
| provisional | false |
| track | [{"utc":"2026-04-03T14:15:55.099008+00:00","mean_motion":15.93232306,"altitude_km":293.244,"eccentricity":0.00053547,"inclination_deg":97.5477},{"utc":"2026-04-04T06:50:35.320128+00:00","mean_motion": |
| total_sensor_hits | 0 |
Provenance
- celestrak
Storage: dossier · celestial_storehouse/satellite_decay/53451.json