LUCAS (JDRS-1)

MilitaryGEOEquatorialJapan

LUCAS (JDRS-1) is a military satellite, as listed in Jonathan McDowell's GCAT catalogue, with ownership listed as Japan in CelesTrak's catalogue, currently in a geostationary orbit about 35,783 km above the equator. It completes one orbit of Earth roughly every 1436 minutes at an inclination of 0.0°. It was launched in 2020. Track its live position and see when it passes over your location on azmth.

Orbital data

NORAD ID: 47202
COSPAR ID: 2020-089A
Type: Military
Orbit: GEO
Perigee (lowest): 35,783 km
Apogee (highest): 35,805 km
Inclination: 0.02°
Orbital period: 1436 min
Launch year: 2020
Owner (CelesTrak): Japan

Orbital data updated: 2026-10-18 · from CelesTrak, refreshed every 2 hours.

Who operates it

JapanLIVEActive

Data relay

GCAT lists it as Deta chukei eisei 1-goki.

Independent assessment

GCAT classes it as a military satellite for communications and records it as active (17 Oct 2026).

Data: GCAT · CC BY 4.0 Class, mission and status adapted from GCAT by Jonathan McDowell, CC BY 4.0, data update 17 Oct 2026.

Military satellites, counted and explained →

About GEO orbit

Geostationary Orbit. Exactly 35,786 km above the equator. Satellites here orbit at the same rate Earth rotates, so they appear stationary in the sky. Used for TV, weather, and communications.