Simultaneous Nadir Overpasses (SNOs) between GOES-15 and FY3D
TLE Epoch: 2023 7 27.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 07/27/2023   15:20:47   (  -0.43, 164.57) (   0.09, 162.38)  250.62                80
 07/28/2023   14:59:47   (  -0.41, 163.58) (  -1.13, 166.79)  365.36                80
 07/30/2023   03:25:03   (   0.44, 162.04) (   0.29, 161.29)   85.23                80
 08/01/2023   15:26:29   (  -0.45, 159.53) (  -0.60, 160.26)   82.14                80
 08/03/2023   03:51:44   (   0.47, 158.00) (  -0.24, 154.76)  368.59                80
 08/04/2023   03:30:43   (   0.46, 157.00) (   0.93, 159.18)  247.94                80
 08/05/2023   15:55:50   (  -0.48, 155.47) (  -0.09, 153.72)  199.18                80
 08/06/2023   15:34:49   (  -0.46, 154.47) (  -1.26, 158.14)  417.22                80
 08/08/2023   04:00:05   (   0.48, 152.93) (   0.43, 152.64)   32.77                80
 08/09/2023   16:22:30   (  -0.50, 151.40) (   0.46, 147.20)  479.09                80