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Updated on February 13, 2018 

Orbital ElementsEpoch 2018 May 2.0 TT = JDT 2458240.5 T 2018 May 15.87768 TT MPCW q 2.1337764 (2000.0) P Q n 0.12934601 Peri. 352.09892 +0.37931194 0.84132654 a 3.8722854 Node 74.92640 +0.86923298 +0.18137656 e 0.4489620 Incl. 23.50375 +0.31710641 +0.50918779 P 7.62 From 1943 observations 2002 Oct. 52018 Jan. 19, mean residual 0".8. Nongravitational parameters A1 = +2.00, A2 = +0.1238.

Finding Charts

Magnitudes Graphm1 = 1.0 + 5 log d + 30 log r [ ,271] (  2017 Aug. 17) m1 = 10.0 + 5 log d + 7.5 log r(t + 400) [271, 0] (2017 Aug. 17  2018 May 15) m1 = 7.5 + 5 log d + 20.0 log r [ 0, ] (2018 May 15  ) * Gray curve is: m1 = 7.5 + 5 log d + 20.0 log r

The orbital elements are published on M.P.E.C. 2018B155.
