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[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB Reference: JPL 9 (heliocentric ecliptic J2000)
Element Value Uncertainty (1-sigma) Units e .1884559657103525 7.1853e-05 a 39.52897543440545 0.0054731 au q 32.07950419537377 0.0018765 au i 5.148884257396923 0.0002376 deg node 354.5343859872752 0.00055331 deg peri 316.8491401442126 0.021276 deg M 71.59111140023649 0.028266 deg t p 2440948.373529383964 3.4155 TDB period 90776.1508700409 18.853 d n .003965799348723121 8.2364e-07 deg/d Q 46.97844667343713 0.0065045 au
Orbit Determination Parameters Additional Information
[ show covariance matrix ] Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 7.0 n/a MPO229164
diameter diameter 328 km 60 Earth, Moon, and Planets, v. 89, Issue 1, p. 117-134 (2002)
geometric albedo albedo 0.022 0.010 Earth, Moon, and Planets, v. 89, Issue 1, p. 117-134 (2002)
15789 (1993 SC) Discovered 1993-Sep-17 by Williams, I. P., Fitzsimmons, A., O'Ceallaigh, D. at La Palma Reference: 20000726/Numbers.arcLast Updated: 2004-04-19
