Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-B
TLE Epoch: 2020 7 13.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  METOP-B Lat/Lon    Distance(km)  Time Diff(sec)
 07/14/2020   18:04:06   (   0.02,-128.36) (  -0.02,-128.12)   26.46                80
 07/16/2020   06:23:06   (  -0.02,-128.37) (  -1.00,-132.72)  495.48                80
 07/17/2020   05:59:46   (  -0.02,-128.38) (   0.13,-127.73)   74.29                80
 07/18/2020   18:18:37   (   0.02,-128.38) (   0.89,-132.29)  445.05                80
 07/19/2020   18:00:38   (   0.02,-128.38) (  -0.24,-127.30)  124.70                80
 07/21/2020   06:19:37   (  -0.02,-128.39) (  -0.78,-131.89)  398.20                80
 07/22/2020   05:56:17   (  -0.02,-128.39) (   0.30,-126.89)  170.57                80
 07/23/2020   18:15:08   (   0.01,-128.38) (   0.72,-131.45)  350.41                80
 07/24/2020   17:57:09   (   0.01,-128.38) (  -0.41,-126.46)  218.66                80
 07/26/2020   06:16:08   (  -0.01,-128.38) (  -0.61,-131.05)  304.33                80