Simultaneous Nadir Overpasses (SNOs) between GOES-15 and FY3D
TLE Epoch: 2022 2 6.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 02/06/2022   22:11:07   (   0.04,-128.21) (   0.49,-126.27)  221.08                80
 02/08/2022   10:33:28   (  -0.03,-128.17) (   0.74,-131.66)  397.75                80
 02/09/2022   10:12:25   (  -0.03,-128.15) (  -0.22,-127.20)  107.07                80
 02/11/2022   22:16:31   (   0.02,-128.10) (  -0.01,-128.17)    9.24                80
 02/12/2022   22:00:47   (  -0.01,-128.07) (   0.95,-123.72)  495.94                80
 02/14/2022   10:23:08   (   0.01,-128.02) (   0.28,-129.10)  124.08                80
 02/15/2022   10:02:06   (   0.01,-127.99) (  -0.74,-124.66)  379.84                80
 02/16/2022   22:24:34   (  -0.01,-127.95) (  -0.51,-130.07)  242.44                80
 02/17/2022   22:08:52   (  -0.00,-127.92) (   0.52,-125.63)  261.53                80
 02/19/2022   10:31:13   (   0.00,-127.87) (   0.71,-131.02)  358.70                80