Simultaneous Nadir Overpasses (SNOs) between GOES-15 and FY3D
TLE Epoch: 2023 7 29.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 07/30/2023   03:25:03   (   0.44, 162.05) (   0.28, 161.29)   85.49                80
 08/01/2023   15:26:28   (  -0.45, 159.54) (  -0.59, 160.26)   81.80                80
 08/03/2023   03:51:44   (   0.47, 158.00) (  -0.25, 154.76)  368.97                80
 08/04/2023   03:30:43   (   0.46, 157.00) (   0.92, 159.18)  247.55                80
 08/05/2023   15:55:50   (  -0.48, 155.47) (  -0.08, 153.72)  199.64                80
 08/06/2023   15:34:50   (  -0.46, 154.48) (  -1.31, 158.13)  416.72                80
 08/08/2023   04:00:04   (   0.48, 152.94) (   0.41, 152.65)   33.30                80
 08/09/2023   16:22:30   (  -0.50, 151.40) (   0.48, 147.20)  479.68                80
 08/10/2023   16:01:30   (  -0.49, 150.40) (  -0.76, 151.60)  136.70                80