Simultaneous Nadir Overpasses (SNOs) between GOES-15 and FY3D
TLE Epoch: 2023 8 23.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 08/23/2023   17:05:33   (   0.43, 137.21) (   0.58, 136.67)   63.09                80
 08/26/2023   05:07:07   (  -0.42, 134.60) (  -0.21, 135.58)  111.71                80
 08/27/2023   17:32:13   (   0.41, 133.06) (   1.04, 130.13)  333.61                80
 08/28/2023   17:11:12   (   0.41, 132.04) (  -0.16, 134.54)  284.89                80
 08/30/2023   05:36:26   (  -0.40, 130.44) (  -0.72, 129.06)  158.13                80
 08/31/2023   05:15:27   (  -0.40, 129.41) (   0.54, 133.46)  461.95                80
 09/01/2023   17:37:51   (   0.39, 127.86) (   0.34, 128.02)   18.83                80
 09/03/2023   06:03:06   (  -0.38, 126.25) (  -1.21, 122.53)  423.39                80
 09/04/2023   05:42:05   (  -0.39, 125.21) (  -0.00, 126.94)  197.81                80
 09/05/2023   18:07:09   (   0.38, 123.63) (   0.88, 121.50)  243.12                80