Simultaneous Nadir Overpasses (SNOs) between GOES-15 and FY3D
TLE Epoch: 2023 8 4.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 08/04/2023   03:30:29   (  -0.42, 157.08) (   0.09, 159.37)  261.48                80
 08/05/2023   15:55:34   (   0.44, 155.61) (   0.80, 153.93)  191.42                80
 08/06/2023   15:34:35   (   0.43, 154.63) (  -0.43, 158.33)  421.98                80
 08/08/2023   03:59:49   (  -0.44, 153.09) (  -0.47, 152.85)   27.51                80
 08/09/2023   16:22:14   (   0.45, 151.62) (   1.41, 147.42)  479.39                80
 08/10/2023   16:01:14   (   0.43, 150.64) (   0.17, 151.82)  134.12                80
 08/12/2023   04:26:28   (  -0.44, 149.11) (  -1.07, 146.34)  316.02                80
 08/13/2023   04:05:29   (  -0.42, 148.12) (   0.17, 150.74)  298.48                80
 08/14/2023   16:30:33   (   0.43, 146.63) (   0.76, 145.30)  152.44                80
 08/15/2023   16:09:34   (   0.42, 145.65) (  -0.49, 149.71)  461.90                80
 08/17/2023   04:32:08   (  -0.42, 144.11) (  -0.40, 144.22)   12.59                80