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The Dexes / Satellite Orbital Decay / 2872

CelestialObjectDex · Satellite Orbital Decay

SURCAL 159

2872 · 2026-04-03T13:05:51Z

Fixes
247
Observations
247
Altitude — track
247 measured points · 2026-04-032026-08-23
Mean motion — track
247 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_utc2026-04-03T13:05:51.839232+00:00
End UTCend_utc2026-08-23T08:05:29.274432+00:00
Familyfamilycelestialdex
NORAD IDnorad_id2,872
Object nameobject_nameSURCAL 159
Groupgroupactive
Eccentricity medianeccentricity_median0.001
Inclination deg medianinclination_deg_median69.974
Number of snapsn_snaps247
Span (days)span_days141.791
Mean motion firstmean_motion_first13.996
Mean motion lastmean_motion_last13.996
Delta mean motiondelta_mean_motion0.000
Altitude first (km)altitude_first_km895.237
Altitude last (km)altitude_last_km895.126
Decay rate rev day2decay_rate_rev_day20.000
Altitude decay km dayaltitude_decay_km_day-0.001
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_utc2026-04-03T13:05:51.839232+00:00
Last UTClast_utc2026-08-23T08:05:29.274432+00:00
Last fix UTClast_fix_utc2026-08-23T08:05:29.274432+00:00
Provisionalprovisionalfalse
Tracktrack[{"utc":"2026-04-03T13:05:51.839232+00:00","mean_motion":13.9958381,"altitude_km":895.237,"eccentricity":0.0008777,"inclination_deg":69.974},{"utc":"2026-04-04T06:15:00.468576+00:00","mean_motion":13.
Total sensor hitstotal_sensor_hits0

Provenance

  • celestrak

Storage: dossier · celestial_storehouse/satellite_decay/2872.json

SURCAL 159 — Satellite Orbital Decay — TerraPulse