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The Dexes / Satellite Decay / 25159

CelestialObjectDex · Satellite Decay

ORBCOMM FM04

25159 · 2026-04-03T15:07:40Z

Fixes
226
Observations
226
Altitude — track
226 measured points · 2026-04-032026-08-09
Mean motion — track
226 measured points · 2026-04-032026-08-09

The record

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

start_utc2026-04-03T15:07:40.238976+00:00
end_utc2026-08-09T19:59:25.073376+00:00
familycelestialdex
norad_id25,159
object_nameORBCOMM FM04
groupactive
eccentricity_median0.004
inclination_deg_median107.963
n_snaps226
span_days128.203
mean_motion_first14.356
mean_motion_last14.358
delta_mean_motion0.002
altitude_first_km773.110
altitude_last_km772.353
decay_rate_rev_day20.000
altitude_decay_km_day-0.006
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_utc2026-04-03T15:07:40.238976+00:00
last_utc2026-08-09T19:59:25.073376+00:00
last_fix_utc2026-08-09T19:59:25.073376+00:00
provisionalfalse
track[{"utc":"2026-04-03T15:07:40.238976+00:00","mean_motion":14.35588945,"altitude_km":773.11,"eccentricity":0.00385225,"inclination_deg":107.9605},{"utc":"2026-04-04T06:10:44.492160+00:00","mean_motion":
total_sensor_hits0

Provenance

  • celestrak

Storage: dossier · celestial_storehouse/satellite_decay/25159.json

ORBCOMM FM04 — Satellite Decay — TerraPulse