Simultaneous Nadir Overpasses (SNOs) between GOES-17 and METOP-B
TLE Epoch: 2021 11 9.  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)
 11/10/2021   06:51:39   (   0.03,-137.20) (  -0.56,-139.76)  292.19                80
 11/11/2021   06:28:19   (   0.03,-137.20) (   0.55,-134.77)  276.60                80
 11/12/2021   18:47:12   (  -0.02,-137.19) (   0.45,-139.33)  244.18                80
 11/13/2021   18:29:12   (  -0.02,-137.19) (  -0.65,-134.34)  324.56                80
 11/15/2021   06:48:13   (   0.02,-137.18) (  -0.35,-138.94)  199.42                80
 11/16/2021   06:24:53   (   0.02,-137.18) (   0.76,-133.94)  369.09                80
 11/17/2021   18:43:44   (  -0.02,-137.16) (   0.30,-138.50)  152.41                80
 11/18/2021   18:25:45   (  -0.02,-137.15) (  -0.81,-133.50)  415.75                80
 11/20/2021   06:44:45   (   0.01,-137.14) (  -0.18,-138.10)  109.28                80
 11/21/2021   06:21:26   (   0.01,-137.12) (   0.93,-133.11)  458.40                80
 11/22/2021   18:40:17   (  -0.00,-137.10) (   0.13,-137.66)   64.52                80