Simultaneous Nadir Overpasses (SNOs) between GOES-17 and METOP-B
TLE Epoch: 2021 1 16.  Predictions up to the next  14.0 days:

     Date     Time(GOES-17)   GOES-17 Lat/Lon  METOP-B Lat/Lon    Distance(km)  Time Diff(sec)
 01/16/2021   18:56:23   (   0.00,-137.22) (   0.86,-141.05)  436.69                80
 01/17/2021   18:33:04   (   0.00,-137.21) (  -0.27,-136.06)  132.03                80
 01/19/2021   06:54:45   (  -0.00,-137.20) (  -0.78,-140.65)  393.68                80
 01/20/2021   06:31:27   (  -0.00,-137.20) (   0.36,-135.67)  174.78                80
 01/21/2021   18:50:18   (   0.01,-137.20) (   0.70,-140.22)  345.01                80
 01/22/2021   18:29:40   (   0.01,-137.19) (  -0.43,-135.23)  223.04                80
 01/24/2021   06:51:21   (  -0.01,-137.16) (  -0.61,-139.83)  303.87                80
 01/25/2021   06:28:03   (  -0.01,-137.15) (   0.53,-134.84)  263.64                80
 01/26/2021   18:49:34   (   0.01,-137.13) (   0.53,-139.39)  257.70                80
 01/27/2021   18:26:15   (   0.01,-137.12) (  -0.61,-134.41)  309.30                80
 01/29/2021   06:47:57   (  -0.02,-137.08) (  -0.43,-139.00)  219.03                80