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   (   0.04,-128.41) (  -0.38,-130.21)  204.92                80
 01/11/2020   05:49:20   (   0.05,-128.42) (   0.76,-125.22)  364.56                80
 01/12/2020   18:10:52   (  -0.04,-128.40) (   0.25,-129.78)  156.65                80
 01/13/2020   17:47:33   (  -0.04,-128.41) (  -0.83,-124.78)  412.74                80
 01/15/2020   06:09:14   (   0.03,-128.43) (  -0.21,-129.37)  107.87                80
 01/16/2020   05:45:56   (   0.03,-128.43) (   0.93,-124.39)  461.25                80
 01/17/2020   18:07:28   (  -0.02,-128.41) (   0.08,-128.95)   60.71                80
 01/20/2020   06:05:50   (   0.02,-128.43) (  -0.03,-128.54)   13.57                80
 01/22/2020   18:01:24   (  -0.02,-128.39) (  -0.10,-128.12)   32.31                80