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Table 2
Heliocentric Keplerian orbital elements of Neptune’s L4 Trojans (I): 2001 QR322, 2004 UP10, and 2005 TN53.
| 2001 QR322 | 2004 UP10 | 2005 TN53 | ||
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| semi-major axis, a (AU) | = | 30.356 ± 0.007 | 30.28 ± 0.02 | 30.262 ± 0.012 |
| eccentricity, e | = | 0.02891 ± 0.00010 | 0.03140 ± 0.00010 | 0.069 ± 0.002 |
| inclination, i (°) | = | 1.3210 ± 0.0006 | 1.43107 ± 0.00005 | 24.978 ± 0.003 |
| longitude of the ascending node, Ω (°) | = | 151.548 ± 0.015 | 34.798 ± 0.003 | 9.2809 ± 0.0002 |
| argument of perihelion, ω (°) | = | 167.0 ± 0.4 | 4 ± 3 | 84.7 ± 0.4 |
| mean anomaly, M (°) | = | 60.3 ± 0.4 | 345 ± 2 | 296.7 ± 0.2 |
| perihelion distance, q (AU) | = | 29.478 ± 0.005 | 29.329 ± 0.014 | 28.176 ± 0.010 |
| absolute magnitude, H (mag) | = | 7.7 | 8.8 | 9.1 |
Notes. Values include the 1-σ uncertainty. (Epoch = JD 2 456 200.5, 2012-Sep-30.0; J2000.0 ecliptic and equinox. Sources: JPL Small-Body Database and AstDyS-2.)
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