Epoch 2021 July 5.0 TT = JDT 2459400.5 T 2021 Feb. 22.95740 TT Rudenko q 2.8639949 (2000.0) P Q n 0.12236970 Peri. 176.33101 -0.25510998 +0.92842666 a 4.0180944 Node 78.74505 -0.89398669 -0.12006249 e 0.2872256 Incl. 15.98438 -0.36838390 -0.35158061 P 8.05 From 4256 observations 2003 Mar. 7-2021 June 28, mean residual 0".6. Nongravitational parameters A1 = -0.87, A2 = +0.4399.
m1 = -17.5 + 5 log d + 50 log r(t - 200) [ ,-460] ( - 2019 Nov. 20) m1 = 0.0 + 5 log d + 25.0 log r(t + 85) [-460, 130] (2019 Nov. 20 - 2021 July 2) m1 = 5.2 + 5 log d + 15.0 log r [ 130, ] (2021 July 2 - )