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The Dexes / Satellite Decay / 57069

CelestialObjectDex · Satellite Decay

STARLINK-5821

57069 · 2026-04-02T23:53:08Z

Fixes
170
Observations
170
Altitude — track
170 measured points · 2026-04-022026-08-09
Mean motion — track
170 measured points · 2026-04-022026-08-09

The record

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

start_utc2026-04-02T23:53:08.464704+00:00
end_utc2026-08-09T13:12:56.230848+00:00
familycelestialdex
norad_id57,069
object_nameSTARLINK-5821
groupactive
eccentricity_median0.000
inclination_deg_median43.003
n_snaps170
span_days128.555
mean_motion_first15.267
mean_motion_last15.276
delta_mean_motion0.008
altitude_first_km485.542
altitude_last_km483.052
decay_rate_rev_day20.000
altitude_decay_km_day-0.010
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_utc2026-04-02T23:53:08.464704+00:00
last_utc2026-08-09T13:12:56.230848+00:00
last_fix_utc2026-08-09T13:12:56.230848+00:00
provisionalfalse
track[{"utc":"2026-04-02T23:53:08.464704+00:00","mean_motion":15.26747749,"altitude_km":485.542,"eccentricity":0.00009938,"inclination_deg":43.0002},{"utc":"2026-04-03T23:26:16.010880+00:00","mean_motion":
total_sensor_hits0

Provenance

  • celestrak

Storage: dossier · celestial_storehouse/satellite_decay/57069.json

STARLINK-5821 — Satellite Decay — TerraPulse