IAA Minor Planet Database

Dashboard Catalog Impact Risks Ephemeris Statistics

Ephemeris Service

Query Parameters

Asteroid Designation

744281 (2009 HD21)

Time Specification

Start

Stop

Step (days)

Dates (one per line or comma-separated)

Date

Date	JD	e	a (AU)	i (°)	Ω (°)	ω (°)	M (°)	r (AU)	v (km/s)

IAA Minor Planet Database · Data sourced from MPC & JPL SBDB