Simultaneous Nadir Overpasses (SNOs) between GOES-15 and FY3D
TLE Epoch: 2023 8 1.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 08/01/2023   15:26:29   (  -0.45, 159.55) (  -0.63, 160.25)   80.98                80
 08/03/2023   03:51:43   (   0.47, 158.01) (  -0.27, 154.77)  369.67                80
 08/04/2023   03:30:44   (   0.46, 157.01) (   0.95, 159.17)  246.73                80
 08/05/2023   15:55:49   (  -0.48, 155.49) (  -0.06, 153.73)  200.94                80
 08/06/2023   15:34:50   (  -0.46, 154.49) (  -1.29, 158.13)  415.29                80
 08/08/2023   04:00:04   (   0.48, 152.95) (   0.39, 152.65)   34.70                80
 08/09/2023   16:22:30   (  -0.50, 151.42) (   0.43, 147.19)  481.45                80
 08/10/2023   16:01:30   (  -0.49, 150.42) (  -0.75, 151.61)  134.80                80
 08/12/2023   04:26:45   (   0.51, 148.89) (  -0.09, 146.11)  315.33                80
 08/13/2023   04:05:45   (   0.50, 147.88) (   1.09, 150.53)  301.57                80
 08/14/2023   16:30:50   (  -0.52, 146.34) (  -0.22, 145.08)  144.11                80