Perturbed ephemeris below is based on elements from MPEC 2022-YB4. Epoch (TT/JD) T (TT/JD) Peri. Node Incl. 2459640.50000 2459639.4584222 148.19004 299.87324 52.08947 e q a Epoch (TT) 1.0009001 6.1192178 2022/03/02.00
m1 = 6.5 + 5 logΔ + 10.0 log r