Simultaneous Nadir Overpasses (SNOs) between GOES-17 and METOP-C
TLE Epoch: 2021 12 21.  Predictions up to the next  14.0 days:

     Date     Time(GOES-17)   GOES-17 Lat/Lon  METOP-C Lat/Lon    Distance(km)  Time Diff(sec)
 12/21/2021   06:55:28   (   0.03,-137.20) (  -0.72,-140.60)  386.59                80
 12/22/2021   06:32:09   (   0.03,-137.20) (   0.36,-135.59)  182.34                80
 12/23/2021   18:51:02   (  -0.03,-137.21) (   0.61,-140.17)  336.62                80
 12/24/2021   18:33:03   (  -0.03,-137.21) (  -0.47,-135.17)  232.21                80
 12/26/2021   06:52:03   (   0.02,-137.19) (  -0.58,-139.76)  293.12                80
 12/27/2021   06:28:45   (   0.02,-137.18) (   0.56,-134.77)  275.20                80
 12/28/2021   18:47:37   (  -0.02,-137.18) (   0.45,-139.33)  244.83                80
 12/29/2021   18:29:37   (  -0.02,-137.17) (  -0.64,-134.33)  323.10                80
 12/31/2021   06:48:39   (   0.02,-137.14) (  -0.37,-138.93)  203.89                80
 01/01/2022   06:25:19   (   0.02,-137.12) (   0.72,-133.93)  363.34                80
 01/02/2022   18:44:11   (  -0.01,-137.10) (   0.33,-138.48)  158.40                80
 01/03/2022   18:26:12   (  -0.01,-137.08) (  -0.83,-133.50)  408.71                80