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Table 1
Heliocentric Keplerian orbital elements of the objects studied in this research.
| (148975) 2001 XA255 | (310071) 2010 KR59 | (316179) 2010 EN65 | 2012 GX17 | ||
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| Semi-major axis, a (AU) | = | 28.8587 ± 0.0010 | 29.970 ± 0.004 | 30.719 ± 0.002 | 30.1330172 |
| Eccentricity, e | = | 0.676579 ± 0.000010 | 0.56676 ± 0.00006 | 0.31492 ± 0.00004 | 0.4149134 |
| Inclination, i (°) | = | 12.62072 ± 0.00002 | 19.67387 ± 0.00005 | 19.24716 ± 0.00003 | 35.29849 |
| Longitude of the ascending node, Ω (°) | = | 105.92560 ± 0.00014 | 46.7483 ± 0.0003 | 234.2657 ± 0.0003 | 207.75190 |
| Argument of perihelion, ω (°) | = | 90.3433 ± 0.0004 | 108.2697 ± 0.0010 | 225.236 ± 0.003 | 94.00361 |
| Mean anomaly, M (°) | = | 5.3117 ± 0.0002 | 5.6713 ± 0.0014 | 36.831 ± 0.005 | 298.44011 |
| Perihelion distance, q (AU) | = | 9.33350 ± 0.00010 | 12.9842 ± 0.0008 | 21.0450 ± 0.0009 | 17.6304246 |
| Absolute magnitude, H (mag) | = | 11.2 | 7.7 | 6.9 | 7.8 |
Notes. Values include the 1-σ uncertainty when available. (Epoch = JD 2456 200.5, 2012-Sep-30.0 except for 2012 GX17 that is JD 2 456 020.5, 2012-Apr-3.0; J2000.0 ecliptic and equinox. Sources: JPL Small-Body Database and AstDyS-2.)
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