Simultaneous Nadir Overpasses (SNOs) between GOES-15 and FY3D
TLE Epoch: 2023 8 19.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 08/19/2023   16:36:13   (   0.43, 141.36) (   0.04, 143.19)  208.13                80
 08/21/2023   05:01:29   (  -0.43, 139.75) (  -0.87, 137.69)  234.72                80
 08/22/2023   04:40:28   (  -0.43, 138.73) (   0.32, 142.11)  384.05                80
 08/23/2023   17:05:33   (   0.42, 137.20) (   0.52, 136.65)   62.32                80
 08/26/2023   05:07:07   (  -0.42, 134.59) (  -0.21, 135.58)  112.99                80
 08/27/2023   17:32:13   (   0.41, 133.05) (   1.05, 130.13)  332.31                80
 08/28/2023   17:11:12   (   0.41, 132.03) (  -0.16, 134.54)  286.34                80
 08/30/2023   05:36:26   (  -0.40, 130.42) (  -0.72, 129.06)  156.29                80
 08/31/2023   05:15:27   (  -0.40, 129.39) (   0.54, 133.46)  463.91                80
 09/01/2023   17:37:51   (   0.39, 127.84) (   0.34, 128.01)   20.73                80