Epoch 2026 June 9.0 TT = JDT 2461200.5 T 2028 Jan. 30.75554 TT Rudenko q 5.2112915 (2000.0) P Q z +0.0000811 Peri. 74.31575 +0.04539692 +0.09074224 +/-0.0016178 Node 265.69354 -0.63393555 +0.77227093 e 0.9995771 Incl. 86.07614 +0.77205236 +0.62877934 From 85 observations 2026 July 12-Aug. 16, mean residual 0".4.
m1 = 7.5 + 5 logΔ + 10.0 log r