Table 7
Equinoctial orbital elements, and their uncertainty, of the Datura family members as of epoch MJD 57 400.0.
| Asteroid | a | h | k | p | q | λ | H | |
| [au] | [deg] | [mag] | ||||||
|
|
||||||||
| 1270 | Datura | 2.234291506 | −0.01139746 | 0.20815587 | 0.05179750 | −0.00710095 | 243.063902 | 12.5 |
| 60151 | 1999 UZ6 | 2.234663359 | −0.00947655 | 0.20806644 | 0.05197876 | −0.00616680 | 347.293447 | 16.1 |
| 89309 | 2001 VN36 | 2.235956055 | −0.00057562 | 0.20617945 | 0.05252351 | −0.00268579 | 132.282194 | 16.3 |
| 90265 | 2003 CL5 | 2.234558334 | −0.00918319 | 0.20764186 | 0.05212221 | −0.00517163 | 62.603766 | 15.8 |
| 203370 | 2001 WY35 | 2.235437285 | −0.00975528 | 0.20707497 | 0.05196030 | −0.00622042 | 126.683082 | 17.1 |
| 215619 | 2003 SQ168 | 2.234243423 | −0.01090110 | 0.20817799 | 0.05185870 | −0.00672840 | 244.837673 | 17.0 |
| 338309 | 2002 VR17 | 2.234732885 | −0.00940662 | 0.20803387 | 0.05195166 | −0.00617257 | 9.102090 | 17.7 |
| 433382 | 2013 ST71 | 2.234254150 | −0.01093807 | 0.20812248 | 0.05176741 | −0.00723717 | 252.296532 | 18.0 |
| 452713 | 2005 YP136 | 2.236503316 | 0.00875368 | 0.20520896 | 0.05272439 | 0.00345898 | 84.736554 | 18.5 |
| 2002 RH291 | 2.234818063 | −0.00790986 | 0.20792645 | 0.05210134 | −0.00522315 | 345.424151 | 17.9 | |
| 2009 VS116 | 2.236316030 | 0.01115949 | 0.20526743 | 0.05283118 | 0.00389664 | 11.132338 | 18.1 | |
| 2011 KT10 | 2.236230535 | 0.00067621 | 0.20728014 | 0.05255179 | −0.00228555 | 40.490908 | 18.2 | |
| 2014 OA86 | 2.234856406 | −0.01548524 | 0.20726851 | 0.05135012 | −0.00952054 | 116.454194 | 18.9 | |
| 2003 UD112 | 2.234561159 | − 0.00465521 | 0.20744382 | 0.05218356 | − 0.00493806 | 253.301419 | 17.8 | |
| 2006 SY376 | 2.233150757 | − 0.02836387 | 0.20830231 | 0.04978401 | − 0.01546174 | 289.755631 | 19.9 | |
| 2006 SD382 | 2.236020249 | 0.01011873 | 0.20592422 | 0.05278196 | 0.00377909 | 292.317821 | 18.8 | |
| 2014 OE206 | 2.235706902 | − 0.00734951 | 0.20674795 | 0.05210281 | − 0.00568040 | 122.119428 | 19.4 | |
| Uncertainty | δa | δh | δk | δp | δq | δλ | ||
| 1270 | Datura | 7.2e-9 | 3.5e-8 | 6.4e-8 | 3.3e-8 | 5.4e-8 | 5.8e-6 | |
| 60151 | 1999 UZ6 | 1.4e-8 | 6.5e-8 | 7.1e-8 | 6.2e-8 | 6.1e-8 | 8.7e-6 | |
| 89309 | 2001 VN36 | 1.3e-8 | 7.2e-8 | 5.9e-8 | 4.8e-8 | 5.4e-8 | 7.3e-6 | |
| 90265 | 2003 CL5 | 2.0e-8 | 8.3e-8 | 7.5e-8 | 7.1e-8 | 6.8e-8 | 1.0e-5 | |
| 203370 | 2001 WY35 | 1.6e-8 | 1.1e-7 | 7.8e-8 | 6.5e-8 | 6.6e-8 | 1.0e-5 | |
| 215619 | 2003 SQ168 | 2.0e-8 | 6.2e-8 | 1.2e-7 | 5.8e-8 | 1.0e-7 | 8.6e-6 | |
| 338309 | 2002 VR17 | 1.8e-8 | 2.2e-7 | 8.9e-8 | 8.7e-8 | 6.3e-8 | 1.7e-5 | |
| 433382 | 2013 ST71 | 2.8e-8 | 1.1e-7 | 2.2e-7 | 8.5e-8 | 1.9e-7 | 1.3e-5 | |
| 452713 | 2005 YP136 | 1.8e-7 | 2.1e-7 | 3.5e-7 | 1.4e-7 | 9.6e-8 | 7.5e-5 | |
| 2002 RH291 | 2.8e-8 | 3.3e-7 | 1.8e-7 | 1.0e-7 | 1.2e-7 | 2.4e-5 | ||
| 2009 VS116 | 2.4e-6 | 2.7e-6 | 3.6e-6 | 3.8e-7 | 1.5e-7 | 5.6e-4 | ||
| 2011 KT10 | 2.9e-8 | 4.6e-7 | 4.2e-7 | 1.1e-7 | 1.8e-7 | 3.7e-5 | ||
| 2014 OA86 | 2.7e-6 | 2.9e-6 | 4.3e-6 | 4.3e-7 | 1.9e-7 | 8.0e-4 | ||
| 2003 UD112 | 6.6e-4 | 4.9e-4 | 2.9e-4 | 3.5e-5 | 3.0e-5 | 5.8e-1 | ||
| 2006 SY376 | 3.2e-3 | 1.9e-3 | 1.7e-3 | 6.0e-5 | 8.8e-5 | 2.4e+0 | ||
| 2006 SD382 | 3.5e-4 | 2.2e-4 | 1.1e-4 | 9.9e-6 | 8.3e-6 | 2.5e-1 | ||
| 2014 OE206 | 4.6e-4 | 6.8e-5 | 1.2e-4 | 3.3e-5 | 1.6e-5 | 5.5e-2 | ||
Notes. a is semimajor axis, (h,k) = e (sinϖ,cosϖ) where e is the eccentricity and ϖ is the longitude of perihelion, (p,q) = tan(i/ 2) (sinΩ,cosΩ) where i is the inclination and Ω is the longitude of node, and λ = ϖ + M is the mean longitude in orbit (M is the mean anomaly). Default reference system is that of mean ecliptic J2000. Orbital solution, together with formal one sigma uncertainties, is from the AstDyS catalog as of May 2016 (e.g., Knežević et al. 2002). Asteroids whose data are listed in roman font are multi-opposition, while those listed in italic font are single-opposition. The adopted absolute magnitude values H are from MPC; in general, their uncertainty is ± 0.3 mag. More accurate H values for the largest Datura members resulting from our observations are reported in Table 8. We excluded two potential Datura members, 2015 DY94 and 2015 PQ47, because their orbits are too uncertain.
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