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

     Date     Time(GOES-15)   GOES-15 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 07/16/2023   02:41:36   (   0.37, 176.25) (  -0.56, 172.08)  475.24                80
 07/17/2023   02:20:37   (   0.35, 175.25) (   0.65, 176.49)  142.12                80
 07/18/2023   14:45:43   (  -0.38, 173.71) (   0.25, 171.04)  305.60                80
 07/19/2023   14:24:43   (  -0.36, 172.71) (  -0.96, 175.45)  311.55                80
 07/21/2023   02:49:59   (   0.39, 171.15) (   0.12, 169.95)  136.89                80
 07/22/2023   02:28:59   (   0.37, 170.15) (   1.33, 174.36)  480.51                80
 07/23/2023   14:51:26   (  -0.39, 168.62) (  -0.44, 168.91)   32.99                80
 07/25/2023   03:16:41   (   0.42, 167.06) (  -0.40, 163.42)  415.94                80
 07/26/2023   02:55:41   (   0.40, 166.06) (   0.82, 167.82)  201.17                80
 07/27/2023   15:20:48   (  -0.43, 164.53) (   0.06, 162.37)  246.50                80
 07/28/2023   14:59:48   (  -0.41, 163.53) (  -1.16, 166.78)  369.91                80