Simultaneous Nadir Overpasses (SNOs) between GOES-15 and FY3D
TLE Epoch: 2022 11 18.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 11/18/2022   10:25:22   (   0.06,-128.28) (  -0.19,-127.12)  132.26                80
 11/19/2022   22:45:17   (  -0.03,-128.18) (  -1.05,-132.56)  499.87                80
 11/20/2022   22:29:39   (  -0.04,-128.16) (  -0.03,-128.13)    3.91                80
 11/23/2022   10:31:08   (   0.04,-128.18) (   0.22,-129.11)  105.44                80
 11/24/2022   10:15:28   (   0.05,-128.15) (  -0.74,-124.66)  397.49                80
 11/25/2022   22:35:24   (  -0.03,-128.03) (  -0.50,-130.10)  236.65                80
 11/26/2022   22:19:44   (  -0.04,-128.00) (   0.46,-125.66)  265.82                80
 11/28/2022   10:39:31   (   0.02,-128.02) (   0.73,-131.07)  348.38                80
 11/29/2022   10:23:53   (   0.03,-127.99) (  -0.30,-126.64)  153.82                80
 11/30/2022   22:43:48   (  -0.00,-127.86) (  -0.94,-132.08)  481.13                80
 12/01/2022   22:28:09   (  -0.01,-127.83) (   0.03,-127.64)   21.17                80