The Dexes / Satellite Decay / 53449
CelestialObjectDex · Satellite Decay
DONGPO 05
53449 · 2026-04-03T15:27:51Z
Fixes
281
Observations
281
The record
Everything the slot carries, as measured. Series arrays are drawn above and listed here in full.
| start_utc | 2026-04-03T15:27:51.952320+00:00 |
|---|---|
| end_utc | 2026-08-09T18:11:24.434880+00:00 |
| family | celestialdex |
| norad_id | 53,449 |
| object_name | DONGPO 05 |
| group | active |
| eccentricity_median | 0.000 |
| inclination_deg_median | 97.546 |
| n_snaps | 281 |
| span_days | 128.114 |
| mean_motion_first | 15.659 |
| mean_motion_last | 16.095 |
| delta_mean_motion | 0.435 |
| altitude_first_km | 370.515 |
| altitude_last_km | 248.296 |
| decay_rate_rev_day2 | 0.003 |
| altitude_decay_km_day | -0.813 |
| 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 | 2026-04-03T15:27:51.952320+00:00 |
| last_utc | 2026-08-09T18:11:24.434880+00:00 |
| last_fix_utc | 2026-08-09T18:11:24.434880+00:00 |
| provisional | false |
| track | [{"utc":"2026-04-03T15:27:51.952320+00:00","mean_motion":15.65947698,"altitude_km":370.515,"eccentricity":0.0002498,"inclination_deg":97.5397},{"utc":"2026-04-03T21:35:55.693824+00:00","mean_motion":1 |
| total_sensor_hits | 0 |
Provenance
- celestrak
Storage: dossier · celestial_storehouse/satellite_decay/53449.json