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The Dexes / Satellite Decay / 69022

CelestialObjectDex · Satellite Decay

HYDRA-3

69022 · 2026-05-09T03:04:30Z

Fixes
147
Observations
147
Altitude — track
147 measured points · 2026-05-092026-08-09
Mean motion — track
147 measured points · 2026-05-092026-08-09

The record

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

start_utc2026-05-09T03:04:30.750816+00:00
end_utc2026-08-09T16:32:02.616288+00:00
familycelestialdex
norad_id69,022
object_nameHYDRA-3
groupactive
eccentricity_median0.001
inclination_deg_median97.402
n_snaps147
span_days92.561
mean_motion_first15.196
mean_motion_last15.204
delta_mean_motion0.008
altitude_first_km507.196
altitude_last_km504.779
decay_rate_rev_day20.000
altitude_decay_km_day-0.029
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_utc2026-05-09T03:04:30.750816+00:00
last_utc2026-08-09T16:32:02.616288+00:00
last_fix_utc2026-08-09T16:32:02.616288+00:00
provisionalfalse
track[{"utc":"2026-05-09T03:04:30.750816+00:00","mean_motion":15.19551195,"altitude_km":507.196,"eccentricity":0.0006655,"inclination_deg":97.4059},{"utc":"2026-05-09T10:58:38.350848+00:00","mean_motion":1
total_sensor_hits0

Provenance

  • celestrak

Storage: dossier · celestial_storehouse/satellite_decay/69022.json

HYDRA-3 — Satellite Decay — TerraPulse