Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-B
TLE Epoch: 2020 12 1.  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)
 12/02/2020   17:46:34   (   0.24,-127.96) (  -0.67,-123.85)  468.39                80
 12/04/2020   06:02:54   (  -0.23,-128.01) (  -0.34,-128.44)   49.04                80
 12/06/2020   18:03:48   (   0.24,-128.04) (   0.21,-128.02)    4.05                80
 12/09/2020   06:02:08   (  -0.23,-128.11) (  -0.13,-127.61)   56.09                80
 12/10/2020   18:18:21   (   0.22,-128.11) (   1.14,-132.18)  463.79                80
 12/11/2020   18:00:21   (   0.23,-128.12) (   0.04,-127.18)  107.03                80
 12/13/2020   06:16:43   (  -0.21,-128.16) (  -1.00,-131.79)  412.77                80
 12/14/2020   05:58:43   (  -0.23,-128.17) (   0.11,-126.79)  157.85                80
 12/15/2020   18:14:55   (   0.21,-128.16) (   0.90,-131.35)  363.08                80