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Table 3

Values of the heliocentric Keplerian orbital elements of P/2019 LD2 (ATLAS) andtheir respective 1σ uncertainties.

Orbital parameter Value ± 1σ uncertainty
Semi-major axis, a (au) = 5.29537 ± 0.00004
Eccentricity, e = 0.135461 ± 0.000005
Inclination, i (°) = 11.55025 ± 0.00002
Longitude of the ascending node, Ω (°) = 179.75624 ± 0.00012
Argument of perihelion, ω (°) = 123.4395 ± 0.0013
Mean anomaly, M (°) = 3.1149 ± 0.0010
Perihelion distance, q (au) = 4.578053 ± 0.000008
Aphelion distance, Q (au) = 6.01269 ± 0.00004
Absolute magnitude, H (mag) = 12.2 ± 0.8

Notes. The orbit determination refers to epoch JD 2458988.5 (2020 May 19.0) TDB (Barycentric Dynamical Time, J2000.0 ecliptic and equinox). Source: JPL SBDB (solution date, 2021 Jan 14 17:13:11 PST).

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