Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-B
TLE Epoch: 2020 1 9.  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)
 01/10/2020   06:12:39   (   0.05,-128.41) (  -0.34,-130.22)  204.91                80
 01/11/2020   05:49:20   (   0.05,-128.42) (   0.74,-125.21)  364.55                80
 01/12/2020   18:10:52   (  -0.04,-128.40) (   0.27,-129.78)  156.87                80
 01/13/2020   17:47:33   (  -0.04,-128.40) (  -0.86,-124.79)  412.45                80
 01/15/2020   06:09:15   (   0.03,-128.43) (  -0.17,-129.38)  108.04                80
 01/16/2020   05:45:56   (   0.03,-128.43) (   0.96,-124.39)  461.02                80
 01/17/2020   18:07:28   (  -0.02,-128.41) (   0.10,-128.94)   61.12                80
 01/20/2020   06:05:50   (   0.02,-128.43) (   0.00,-128.55)   13.63                80
 01/22/2020   18:01:23   (  -0.02,-128.39) (  -0.08,-128.11)   31.60                80