Epoch 2015 Sept. 15.0 TT = JDT 2457280.5 T 2015 Sept. 4.06309 TT MPCW q 0.0536294 (2000.0) P Q n 0.24687997 Peri. 49.09836 +0.66145060 -0.74998611 a 2.5165881 Node 359.47842 +0.60581235 +0.53585159 e 0.9786896 Incl. 12.58316 +0.44212497 +0.38779364 P 3.99 From 287 observations 1999 Sept. 4-2015 Aug. 8.
m1 = 19.0 + 5 log d + 10.5 log r(t - 0.17)