Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-B
TLE Epoch: 2020 12 15.  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)
 12/15/2020   18:14:55   (   0.21,-128.19) (   0.93,-131.35)  359.70                80
 12/16/2020   17:56:56   (   0.23,-128.20) (  -0.18,-126.35)  210.79                80
 12/18/2020   06:13:16   (  -0.22,-128.24) (  -0.85,-130.95)  309.34                80
 12/19/2020   05:55:16   (  -0.23,-128.25) (   0.25,-125.95)  261.40                80
 12/20/2020   18:11:29   (   0.21,-128.24) (   0.74,-130.51)  259.37                80
 12/21/2020   17:53:29   (   0.23,-128.25) (  -0.37,-125.52)  311.04                80
 12/23/2020   06:09:50   (  -0.21,-128.28) (  -0.60,-130.12)  209.74                80
 12/24/2020   05:51:51   (  -0.23,-128.29) (   0.50,-125.13)  360.70                80
 12/25/2020   18:08:02   (   0.20,-128.28) (   0.54,-129.68)  160.52                80
 12/26/2020   17:50:03   (   0.22,-128.28) (  -0.57,-124.69)  409.33                80
 12/28/2020   06:06:24   (  -0.19,-128.30) (  -0.41,-129.29)  112.95                80
 12/29/2020   05:48:25   (  -0.21,-128.30) (   0.70,-124.30)  456.75                80