Simultaneous Nadir Overpasses (SNOs) between GOES-15 and FY3D
TLE Epoch: 2023 8 14.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 08/14/2023   16:30:34   (   0.43, 146.49) (   0.72, 145.30)  136.46                80
 08/15/2023   16:09:34   (   0.42, 145.48) (  -0.52, 149.70)  480.79                80
 08/17/2023   04:32:09   (  -0.43, 143.88) (  -0.37, 144.22)   38.17                80
 08/18/2023   16:57:14   (   0.43, 142.36) (   1.23, 138.77)  408.67                80
 08/19/2023   16:36:14   (   0.42, 141.34) (  -0.02, 143.17)  209.48                80
 08/21/2023   05:01:29   (  -0.43, 139.73) (  -0.87, 137.69)  232.87                80
 08/22/2023   04:40:28   (  -0.42, 138.71) (   0.32, 142.10)  386.23                80
 08/23/2023   17:05:34   (   0.42, 137.18) (   0.53, 136.65)   59.56                80
 08/26/2023   05:07:08   (  -0.41, 134.55) (  -0.16, 135.57)  116.56                80
 08/27/2023   17:32:13   (   0.40, 133.01) (   1.06, 130.13)  328.26                80