The Dexes / Satellite Decay / 28054
CelestialObjectDex · Satellite Decay
DMSP 5D-3 F16 (USA 172)
28054 · 2026-04-03T14:49:11Z
Fixes
303
Observations
303
The record
Everything the slot carries, as measured. Series arrays are drawn above and listed here in full.
| start_utc | 2026-04-03T14:49:11.675136+00:00 |
|---|---|
| end_utc | 2026-08-09T20:23:58.240896+00:00 |
| family | celestialdex |
| norad_id | 28,054 |
| object_name | DMSP 5D-3 F16 (USA 172) |
| group | active |
| eccentricity_median | 0.001 |
| inclination_deg_median | 98.990 |
| n_snaps | 303 |
| span_days | 128.232 |
| mean_motion_first | 14.145 |
| mean_motion_last | 14.145 |
| delta_mean_motion | 0.000 |
| altitude_first_km | 844.109 |
| altitude_last_km | 844.061 |
| decay_rate_rev_day2 | 0.000 |
| altitude_decay_km_day | -0.000 |
| 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 | 2026-04-03T14:49:11.675136+00:00 |
| last_utc | 2026-08-09T20:23:58.240896+00:00 |
| last_fix_utc | 2026-08-09T20:23:58.240896+00:00 |
| provisional | false |
| track | [{"utc":"2026-04-03T14:49:11.675136+00:00","mean_motion":14.14472119,"altitude_km":844.109,"eccentricity":0.00070708,"inclination_deg":98.9961},{"utc":"2026-04-03T19:53:57.204384+00:00","mean_motion": |
| total_sensor_hits | 0 |
Provenance
- celestrak
Storage: dossier · celestial_storehouse/satellite_decay/28054.json