Simultaneous Nadir Overpasses (SNOs) between GOES-15 and FY3D
TLE Epoch: 2023 7 24.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 07/25/2023   03:16:40   (   0.42, 167.10) (  -0.43, 163.43)  419.01                80
 07/26/2023   02:55:41   (   0.40, 166.10) (   0.78, 167.83)  197.69                80
 07/27/2023   15:20:47   (  -0.43, 164.57) (   0.08, 162.38)  250.68                80
 07/28/2023   14:59:48   (  -0.41, 163.58) (  -1.14, 166.78)  365.25                80
 07/30/2023   03:25:03   (   0.44, 162.04) (   0.29, 161.29)   85.43                80
 08/01/2023   15:26:29   (  -0.45, 159.53) (  -0.60, 160.25)   81.76                80
 08/03/2023   03:51:44   (   0.47, 158.00) (  -0.24, 154.76)  369.02                80
 08/04/2023   03:30:44   (   0.46, 157.00) (   0.93, 159.18)  247.43                80
 08/05/2023   15:55:50   (  -0.48, 155.47) (  -0.08, 153.72)  199.85                80
 08/06/2023   15:34:50   (  -0.46, 154.48) (  -1.31, 158.13)  416.50                80