Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-B
TLE Epoch: 2020 5 1.  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)
 05/02/2020   18:12:04   (   0.24,-128.26) (   0.76,-130.60)  266.49                80
 05/03/2020   17:54:04   (   0.24,-128.27) (  -0.35,-125.61)  303.91                80
 05/05/2020   06:13:06   (  -0.24,-128.25) (  -0.65,-130.21)  222.44                80
 05/06/2020   05:49:46   (  -0.24,-128.26) (   0.46,-125.22)  347.45                80
 05/07/2020   18:08:37   (   0.24,-128.31) (   0.57,-129.77)  167.25                80
 05/08/2020   17:50:38   (   0.24,-128.31) (  -0.54,-124.78)  402.51                80
 05/10/2020   06:09:39   (  -0.23,-128.29) (  -0.46,-129.38)  124.75                80
 05/11/2020   05:46:20   (  -0.23,-128.29) (   0.65,-124.39)  444.38                80
 05/12/2020   18:05:11   (   0.22,-128.32) (   0.37,-128.95)   71.60                80
 05/13/2020   17:47:12   (   0.22,-128.33) (  -0.73,-123.95)  497.76                80
 05/15/2020   06:06:13   (  -0.21,-128.30) (  -0.26,-128.56)   29.63                80