Simultaneous Nadir Overpasses (SNOs) between GOES-15 and FY3D
TLE Epoch: 2022 2 10.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 02/11/2022   22:16:30   (  -0.01,-128.10) (  -0.01,-128.17)    8.47                80
 02/12/2022   22:00:47   (  -0.01,-128.07) (   0.95,-123.71)  496.04                80
 02/14/2022   10:23:08   (   0.01,-128.02) (   0.27,-129.10)  124.33                80
 02/15/2022   10:02:06   (   0.00,-127.99) (  -0.75,-124.66)  379.59                80
 02/16/2022   22:24:34   (  -0.00,-127.95) (  -0.49,-130.07)  242.45                80
 02/17/2022   22:08:52   (   0.00,-127.92) (   0.53,-125.63)  261.54                80
 02/19/2022   10:31:13   (  -0.00,-127.87) (   0.69,-131.02)  358.89                80
 02/20/2022   10:10:09   (  -0.00,-127.83) (  -0.28,-126.57)  144.66                80
 02/21/2022   22:32:38   (   0.00,-127.79) (  -0.96,-131.98)  478.59                80
 02/22/2022   22:16:55   (   0.00,-127.75) (   0.07,-127.54)   24.75                80