The Dexes / Satellite Decay / 35951
CelestialObjectDex · Satellite Decay
DMSP 5D-3 F18 (USA 210)
35951 · 2026-04-03T14:31:41Z
Fixes
298
Observations
298
The record
Everything the slot carries, as measured. Series arrays are drawn above and listed here in full.
| start_utc | 2026-04-03T14:31:41.799360+00:00 |
|---|---|
| end_utc | 2026-08-09T21:13:58.778112+00:00 |
| family | celestialdex |
| norad_id | 35,951 |
| object_name | DMSP 5D-3 F18 (USA 210) |
| group | active |
| eccentricity_median | 0.001 |
| inclination_deg_median | 98.903 |
| n_snaps | 298 |
| span_days | 128.279 |
| mean_motion_first | 14.149 |
| mean_motion_last | 14.149 |
| delta_mean_motion | 0.001 |
| altitude_first_km | 842.812 |
| altitude_last_km | 842.568 |
| decay_rate_rev_day2 | 0.000 |
| altitude_decay_km_day | -0.002 |
| 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 | 2026-04-03T14:31:41.799360+00:00 |
| last_utc | 2026-08-09T21:13:58.778112+00:00 |
| last_fix_utc | 2026-08-09T21:13:58.778112+00:00 |
| provisional | false |
| track | [{"utc":"2026-04-03T14:31:41.799360+00:00","mean_motion":14.14853061,"altitude_km":842.812,"eccentricity":0.00121864,"inclination_deg":98.8998},{"utc":"2026-04-03T21:19:01.984224+00:00","mean_motion": |
| total_sensor_hits | 0 |
Provenance
- celestrak
Storage: dossier · celestial_storehouse/satellite_decay/35951.json