Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-B
TLE Epoch: 2020 12 3.  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)
 12/04/2020   06:02:54   (  -0.23,-128.01) (  -0.33,-128.44)   48.98                80
 12/06/2020   18:01:07   (   0.24,-128.04) (   0.25,-128.01)    4.44                80
 12/09/2020   06:02:09   (  -0.23,-128.11) (  -0.11,-127.62)   56.27                80
 12/10/2020   18:18:21   (   0.22,-128.11) (   1.13,-132.18)  463.45                80
 12/11/2020   18:00:21   (   0.23,-128.13) (   0.02,-127.18)  107.39                80
 12/13/2020   06:16:42   (  -0.21,-128.16) (  -1.04,-131.78)  412.48                80
 12/14/2020   05:58:42   (  -0.23,-128.17) (   0.06,-126.78)  158.17                80
 12/15/2020   18:14:55   (   0.21,-128.17) (   0.94,-131.34)  362.58                80
 12/16/2020   17:56:55   (   0.23,-128.17) (  -0.16,-126.35)  207.74                80