Perturbed ephemeris below is based on elements from MPEC 2025-W75. Epoch (TT/JD) T (TT/JD) Peri. Node Incl. 2459560.50000 2459557.0077282 282.59500 87.19245 20.20982 e q a Epoch (TT) 0.6699960 1.9576191 5.93211 2021/12/12.00
m1 = 15.0 + 5 log d + 10.0 log r