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Table 1

Ecliptic osculating orbital elements of the different objects.

Object Epoch (JD) e q(au) Ω(°) w(°) i(°) Tp(UT)
C/1858 L1 (Donati) 2399960.5 0.99629 0.578 167.30 129.11 116.95 1858-Sep.-30.46
C/1874 H1 (Coggia) 2405720.5 0.99820 0.676 120.49 152.38 66.34 1874-Jul.-09.35
C/1881 K1 (Tebbutt) 2408306.5 0.99590 0.734 272.63 354.23 63.43 1881-Jun.-16.94
C/1901 G1 (Viscara) 2415523.5 1.00000 0.245 111.04 203.05 131.08 1901-Apr.-24.75
C/2020 F3 (NEOWISE) 2459036.5 0.99918 0.295 61.01 37.28 128.94 2020-Jul.-03.68
C/2023 A3 (Tsuchishan-ATLAS) 2460342.5 1.00012 0.391 21.56 308.49 139.11 2024-Sep.-27.74

Notes. e: eccentricity; q: perihelion distance; Ω: longitude of ascending node; w:argument of perihelion; i: inclination; Tp: perihelion time.

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