Simultaneous Nadir Overpasses (SNOs) between GOES-15 and FY3D
TLE Epoch: 2022 2 8.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 02/08/2022   10:33:28   (  -0.02,-128.17) (   0.76,-131.66)  397.61                80
 02/09/2022   10:12:24   (  -0.02,-128.15) (  -0.20,-127.20)  107.29                80
 02/11/2022   22:16:30   (  -0.01,-128.10) (  -0.03,-128.17)    8.22                80
 02/12/2022   22:00:48   (  -0.01,-128.07) (   0.99,-123.72)  496.12                80
 02/14/2022   10:23:09   (   0.00,-128.02) (   0.24,-129.11)  124.19                80
 02/15/2022   10:02:06   (  -0.00,-127.99) (  -0.73,-124.66)  379.77                80
 02/16/2022   22:24:35   (   0.00,-127.96) (  -0.46,-130.08)  242.22                80
 02/17/2022   22:08:51   (   0.00,-127.93) (   0.50,-125.63)  261.80                80
 02/19/2022   10:31:13   (  -0.00,-127.87) (   0.72,-131.02)  358.62                80
 02/20/2022   10:10:10   (  -0.00,-127.84) (  -0.30,-126.57)  144.98                80
 02/21/2022   22:32:39   (   0.01,-127.79) (  -0.94,-131.99)  478.19                80