Perturbed ephemeris below is based on elements from MPEC 2025-DP4. Epoch (TT/JD) T (TT/JD) Peri. Node Incl. 2461600.50000 2461611.0360600 39.91986 122.89013 10.85838 e q a Epoch (TT) 0.2155554 5.3130879 6.77306 2027/07/14.00
m1 = -15.0 + 5 log d + 40 log r(t - 200) [ ,-1400] ( - 2023 Sept.23) m1 = -0.5 + 5 log d + 20 log r(t - 200) [-1400, ] (2023 Sept.23 - ) * Gray curve is: m1 = -0.5 + 5 log d + 20 log r(t - 200)