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The Dexes / Satellite Orbital Decay / 53173

CelestialObjectDex · Satellite Orbital Decay

STARLINK-4300

53173 · 2026-04-03T12:07:13Z

Fixes
225
Observations
225
Altitude — track
225 measured points · 2026-04-032026-08-23
Mean motion — track
225 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 UTCstart_utc2026-04-03T12:07:13.504224+00:00
End UTCend_utc2026-08-23T22:06:58.648896+00:00
Familyfamilycelestialdex
NORAD IDnorad_id53,173
Object nameobject_nameSTARLINK-4300
Groupgroupactive
Eccentricity medianeccentricity_median0.000
Inclination deg medianinclination_deg_median53.161
Number of snapsn_snaps225
Span (days)span_days142.416
Mean motion firstmean_motion_first15.089
Mean motion lastmean_motion_last15.354
Delta mean motiondelta_mean_motion0.265
Altitude first (km)altitude_first_km539.699
Altitude last (km)altitude_last_km459.724
Decay rate rev day2decay_rate_rev_day20.002
Altitude decay km dayaltitude_decay_km_day-0.616
Decay notedecay_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 UTCfirst_utc2026-04-03T12:07:13.504224+00:00
Last UTClast_utc2026-08-23T22:06:58.648896+00:00
Last fix UTClast_fix_utc2026-08-23T22:06:58.648896+00:00
Provisionalprovisionalfalse
Tracktrack[{"utc":"2026-04-03T12:07:13.504224+00:00","mean_motion":15.08854435,"altitude_km":539.699,"eccentricity":0.00014343,"inclination_deg":53.2196},{"utc":"2026-04-04T05:36:30.060000+00:00","mean_motion":
Total sensor hitstotal_sensor_hits0

Provenance

  • celestrak

Storage: dossier · celestial_storehouse/satellite_decay/53173.json

STARLINK-4300 — Satellite Orbital Decay — TerraPulse