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The Dexes / Satellite Orbital Decay / 42951

CelestialObjectDex · Satellite Orbital Decay

BSAT-4A

42951 · 2026-04-03T13:20:56Z

Fixes
256
Observations
256
Altitude — track
256 measured points · 2026-04-032026-08-23
Mean motion — track
256 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_utc2026-04-03T13:20:56.744448+00:00
End UTCend_utc2026-08-23T14:04:27.209856+00:00
Familyfamilycelestialdex
NORAD IDnorad_id42,951
Object nameobject_nameBSAT-4A
Groupgroupactive
Eccentricity medianeccentricity_median0.000
Inclination deg medianinclination_deg_median0.041
Number of snapsn_snaps256
Span (days)span_days142.030
Mean motion firstmean_motion_first1.003
Mean motion lastmean_motion_last1.003
Delta mean motiondelta_mean_motion-0.000
Altitude first (km)altitude_first_km35786.687
Altitude last (km)altitude_last_km35787.078
Decay rate rev day2decay_rate_rev_day20.000
Altitude decay km dayaltitude_decay_km_day-0.000
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_utc2026-04-03T13:20:56.744448+00:00
Last UTClast_utc2026-08-23T14:04:27.209856+00:00
Last fix UTClast_fix_utc2026-08-23T14:04:27.209856+00:00
Provisionalprovisionalfalse
Tracktrack[{"utc":"2026-04-03T13:20:56.744448+00:00","mean_motion":1.00271455,"altitude_km":35786.687,"eccentricity":0.00045956,"inclination_deg":0.0778},{"utc":"2026-04-03T20:47:52.085184+00:00","mean_motion":
Total sensor hitstotal_sensor_hits0

Provenance

  • celestrak

Storage: dossier · celestial_storehouse/satellite_decay/42951.json

BSAT-4A — Satellite Orbital Decay — TerraPulse