Table 1
Heliocentric Keplerian orbital elements of asteroids (454100) 2013 BO73, 2016 LR, 2018 BA5, 2018 LA, and 2018 TU.
| Parameter | 454100 | 2016 LR | 2018 BA5 | 2018 LA | 2018 TU | |
|---|---|---|---|---|---|---|
| Semi-major axis, a (AU) | = | 1.331499402 ± 0.000000013 | 1.3812 ± 0.0009 | 1.3671 ± 0.0009 | 1.3763 ± 0.0003 | 1.3782 ± 0.0007 |
| Eccentricity, e | = | 0.41829734 ± 0.00000004 | 0.4351 ± 0.0005 | 0.4308 ± 0.0005 | 0.4318 ± 0.0002 | 0.4373 ± 0.0004 |
| Inclination, i (°) | = | 4.543490 ± 0.000006 | 2.542 ± 0.002 | 4.538 ± 0.007 | 4.2968 ± 0.0013 | 4.071 ± 0.004 |
| Longitude of the ascending node, Ω (°) | = | 24.80181 ± 0.00003 | 98.059 ± 0.005 | 338.44 ± 0.02 | 71.86963 ± 0.00003 | 188.3899 ± 0.0004 |
| Argument of perihelion, ω (°) | = | 298.10992 ± 0.00004 | 236.508 ± 0.007 | 42.65 ± 0.02 | 256.0482 ± 0.0008 | 258.7260 ± 0.0004 |
| Mean anomaly, M (°) | = | 153.11119 ± 0.00003 | 246.1 ± 0.6 | 334.1 ± 0.3 | 326.725 ± 0.014 | 92.04 ± 0.06 |
| Perihelion, q (AU) | = | 0.77453675 ± 0.00000005 | 0.7802 ± 0.0002 | 0.7781 ± 0.0002 | 0.78201 ± 0.00006 | 0.77555 ± 0.00013 |
| Aphelion, Q (AU) | = | 1.88846206 ± 0.00000002 | 1.9823 ± 0.0014 | 1.9560 ± 0.0012 | 1.9706 ± 0.0004 | 1.9809 ± 0.0009 |
| MOID with the Earth (AU) | = | 0.0177805 | 0.0151122 | 0.0447119 | 0.0000245866 | 0.00476759 |
| Absolute magnitude, H (mag) | = | 20.0 | 26.4 | 24.2 | 30.5 | 27.5 |
| data-arc span (d) | = | 2115 | 5 | 16 | – | 2 |
Notes.Values include the 1σ uncertainty. The orbits of 454100, 2016 LR, 2018 BA5, and 2018 TU are referred to epoch JD 2458600.5, which corresponds to 0:00 on 2019 April 27 TDB; the orbit of 2018 LA is referred to epoch JD 2458271.5, which corresponds to 0:00 on 2018 June 2 TDB, and was produced by D. Farnocchia (J2000.0 ecliptic and equinox). Source: JPL’s SBDB.
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