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The Dexes / Satellite Decay / 40376

CelestialObjectDex · Satellite Decay

SMAP

40376 · 2026-04-03T14:50:57Z

Fixes
303
Observations
303
Altitude — track
303 measured points · 2026-04-032026-08-09
Mean motion — track
303 measured points · 2026-04-032026-08-09

The record

Everything the slot carries, as measured. Series arrays are drawn above and listed here in full.

start_utc2026-04-03T14:50:57.399360+00:00
end_utc2026-08-09T19:45:34.746912+00:00
familycelestialdex
norad_id40,376
object_nameSMAP
groupactive
eccentricity_median0.000
inclination_deg_median98.129
n_snaps303
span_days128.205
mean_motion_first14.634
mean_motion_last14.633
delta_mean_motion-0.000
altitude_first_km682.305
altitude_last_km682.383
decay_rate_rev_day2-0.000
altitude_decay_km_day0.000
decay_notemean_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_utc2026-04-03T14:50:57.399360+00:00
last_utc2026-08-09T19:45:34.746912+00:00
last_fix_utc2026-08-09T19:45:34.746912+00:00
provisionalfalse
track[{"utc":"2026-04-03T14:50:57.399360+00:00","mean_motion":14.63372582,"altitude_km":682.305,"eccentricity":0.000191,"inclination_deg":98.1307},{"utc":"2026-04-03T21:24:48.139776+00:00","mean_motion":14
total_sensor_hits0

Provenance

  • celestrak

Storage: dossier · celestial_storehouse/satellite_decay/40376.json

SMAP — Satellite Decay — TerraPulse