The Dexes / Satellite Decay / 69920

CelestialObjectDex · Satellite Decay

MARINA

69920 · 2026-07-21T15:03:19Z

Fixes
28
Sensor hits
0
Observations
28
Altitude — track
28 measured points · 2026-07-212026-08-09
Mean motion — track
28 measured points · 2026-07-212026-08-09

The record

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

start_utc2026-07-21T15:03:19.749024+00:00
end_utc2026-08-09T16:10:17.251392+00:00
familycelestialdex
norad_id69,920
object_nameMARINA
groupactive
eccentricity_median0.001
inclination_deg_median97.751
n_snaps28
span_days19.046
mean_motion_first14.920
mean_motion_last14.920
delta_mean_motion0.001
altitude_first_km591.804
altitude_last_km591.562
decay_rate_rev_day20.000
altitude_decay_km_day-0.013
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_utc2026-07-21T15:03:19.749024+00:00
last_utc2026-08-09T16:10:17.251392+00:00
last_fix_utc2026-08-09T16:10:17.251392+00:00
provisionalfalse
track[{"utc":"2026-07-21T15:03:19.749024+00:00","mean_motion":14.91966525,"altitude_km":591.804,"eccentricity":0.00090615,"inclination_deg":97.7524},{"utc":"2026-07-21T19:53:03.532704+00:00","mean_motion":

Provenance

  • celestrak

Storage: dossier · celestial_storehouse/satellite_decay/69920.json

MARINA — Satellite Decay — TerraPulse