Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-B
TLE Epoch: 2020 6 17.  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)
 06/18/2020   06:02:35   (  -0.10,-127.73) (  -0.08,-127.70)    3.57                80
 06/20/2020   18:00:47   (   0.09,-127.85) (  -0.04,-127.27)   66.21                80
 06/22/2020   06:19:47   (  -0.08,-127.90) (  -0.95,-131.87)  452.19                80
 06/23/2020   05:56:28   (  -0.08,-127.94) (   0.18,-126.88)  120.90                80
 06/24/2020   18:15:19   (   0.07,-128.00) (   0.83,-131.45)  392.08                80
 06/25/2020   17:57:20   (   0.07,-128.04) (  -0.29,-126.45)  181.20                80
 06/27/2020   06:16:20   (  -0.06,-128.09) (  -0.69,-131.06)  337.54                80
 06/28/2020   05:53:00   (  -0.07,-128.12) (   0.38,-126.05)  235.15                80
 06/29/2020   18:11:52   (   0.06,-128.17) (   0.58,-130.63)  278.93                80
 06/30/2020   17:53:51   (   0.06,-128.21) (  -0.49,-125.62)  293.96                80