Yarkovsky effect detection from ground-based astrometric data for near-Earth asteroid (469219) Kamo’oalewa

Open Access

Table A.1

Orbital elements at epoch 2015 July 3, 12:49:34.597424 TDT.

Seven-parameter solution
Semi-major axis (a)	1.312379822554 ± 9.56 × 10⁻¹⁰ au
Eccentricity (e)	0.21469485268 ± 9.80 × 10⁻⁹
Inclination (i)	2.21285565 ± 1.28 × 10⁻⁶ deg
Longitude of ascending node (Ω)	71.0863668 ± 2.97 × 10⁻⁵ deg
Argument of perihelion (ω)	298.7958058 ± 3.43 × 10⁻⁵ deg
Mean anomaly (m)	179.09376684 ± 7.13 × 10⁻⁶ deg
A₂	(−2.135 ± 0.300) × 10⁻¹⁴ au/day²
χ²	0.446

Notes. The angles refer to the J2000 ecliptic frame. The reported uncertainties correspond to the 1-σ level. χ² denotes the RMS of the normalised post-fit residuals.

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