Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-C
TLE Epoch: 2020 12 8.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  METOP-C Lat/Lon    Distance(km)  Time Diff(sec)
 12/08/2020   18:13:01   (   0.23,-128.09) (   0.76,-130.55)  279.72                80
 12/09/2020   17:55:02   (   0.24,-128.11) (  -0.33,-125.55)  291.61                80
 12/11/2020   06:11:23   (  -0.22,-128.15) (  -0.66,-130.15)  227.35                80
 12/12/2020   05:53:24   (  -0.23,-128.17) (   0.42,-125.15)  343.75                80
 12/13/2020   18:09:37   (   0.22,-128.17) (   0.56,-129.72)  176.31                80
 12/14/2020   17:51:37   (   0.23,-128.18) (  -0.53,-124.72)  394.28                80
 12/16/2020   06:07:59   (  -0.22,-128.21) (  -0.47,-129.32)  126.10                80
 12/17/2020   05:49:59   (  -0.24,-128.23) (   0.61,-124.32)  444.53                80
 12/18/2020   18:06:13   (   0.22,-128.22) (   0.35,-128.89)   75.84                80
 12/19/2020   17:48:13   (   0.24,-128.23) (  -0.74,-123.89)  494.63                80
 12/21/2020   06:04:34   (  -0.22,-128.26) (  -0.27,-128.49)   26.27                80