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The Dexes / Satellite Decay / 53619

CelestialObjectDex · Satellite Decay

STARLINK-4609

53619 · 2026-04-03T10:53:43Z

Fixes
223
Observations
223
Altitude — track
223 measured points · 2026-04-032026-08-23
Mean motion — track
223 measured points · 2026-04-032026-08-23

The record

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

start_utc2026-04-03T10:53:43.290528+00:00
end_utc2026-08-23T07:18:56.512800+00:00
familycelestialdex
norad_id53,619
object_nameSTARLINK-4609
groupactive
eccentricity_median0.000
inclination_deg_median53.161
n_snaps223
span_days141.851
mean_motion_first15.088
mean_motion_last15.354
delta_mean_motion0.266
altitude_first_km539.754
altitude_last_km459.708
decay_rate_rev_day20.002
altitude_decay_km_day-0.588
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_utc2026-04-03T10:53:43.290528+00:00
last_utc2026-08-23T07:18:56.512800+00:00
last_fix_utc2026-08-23T07:18:56.512800+00:00
provisionalfalse
track[{"utc":"2026-04-03T10:53:43.290528+00:00","mean_motion":15.08836389,"altitude_km":539.754,"eccentricity":0.00013489,"inclination_deg":53.2161},{"utc":"2026-04-04T05:58:21.383904+00:00","mean_motion":
total_sensor_hits0

Provenance

  • celestrak

Storage: dossier · celestial_storehouse/satellite_decay/53619.json

STARLINK-4609 — Satellite Decay — TerraPulse