Table 1
Equinoctial orbital elements and their uncertainty as of epoch MJD 57 400.0.
| Asteroid | a | h | k | p | q | λ | H | |
| [au] | [deg] | [mag] | ||||||
|
|
||||||||
| 87887 | 2000 SS286 | 2.75480910 | 0.11083546 | –0.02636157 | –0.06375451 | 0.03574610 | 132.305893 | 15.44 |
| 415992 | 2002 AT49 | 2.75496372 | 0.11110586 | –0.02644782 | –0.06375849 | 0.03575475 | 137.633071 | 16.69 |
| Uncertainty | δa | δh | δk | δp | δq | δλ | δH | |
| 87887 | 2000 SS286 | 1.9e-8 | 6.2e-8 | 8.0e-8 | 6.1e-8 | 6.5e-8 | 6.4e-6 | 0.05 |
| 415992 | 2002 AT49 | 2.4e-8 | 8.2e-8 | 2.1e-7 | 8.5e-8 | 1.0e-7 | 1.3e-5 | 0.04 |
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). The default reference system is that of the mean ecliptic J2000. The orbital solution, together with the formal one-sigma uncertainties, is taken from the AstDyS catalog as of April 2016 (e.g., Knežević et al. 2002). The absolute magnitude values H are from our observations reported in Sect. 3.2.
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