Simultaneous Nadir Overpasses (SNOs) between GOES-15 and FY3D
TLE Epoch: 2023 10 21.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 10/22/2023   09:23:59   (  -0.14,  74.16) (  -0.41,  72.95)  137.68                80
 10/23/2023   09:02:57   (  -0.16,  73.10) (   0.84,  77.36)  487.18                80
 10/24/2023   21:25:20   (   0.13,  71.46) (   0.01,  71.92)   53.59                80
 10/26/2023   09:50:31   (  -0.10,  69.86) (  -0.90,  66.46)  388.41                80
 10/27/2023   09:29:29   (  -0.13,  68.79) (   0.36,  70.87)  236.81                80
 10/28/2023   21:54:33   (   0.10,  67.13) (   0.49,  65.43)  194.86                80
 10/29/2023   21:33:30   (   0.13,  66.09) (  -0.71,  69.85)  428.92                80
 10/31/2023   09:56:00   (  -0.10,  64.50) (  -0.15,  64.38)   13.97                80
 11/01/2023   22:21:04   (   0.07,  62.83) (   0.98,  58.94)  444.66                80
 11/02/2023   22:00:02   (   0.10,  61.78) (  -0.28,  63.35)  178.78                80