Simultaneous Nadir Overpasses (SNOs) between GOES-17 and METOP-C
TLE Epoch: 2021 12 18.  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)
 12/18/2021   18:54:27   (  -0.03,-137.21) (   0.79,-141.00)  431.34                80
 12/19/2021   18:36:27   (  -0.03,-137.20) (  -0.29,-136.00)  137.33                80
 12/21/2021   06:55:28   (   0.03,-137.19) (  -0.76,-140.59)  388.20                80
 12/22/2021   06:32:09   (   0.03,-137.18) (   0.38,-135.60)  179.97                80
 12/23/2021   18:51:02   (  -0.02,-137.17) (   0.65,-140.16)  340.27                80
 12/24/2021   18:33:03   (  -0.02,-137.16) (  -0.49,-135.17)  227.80                80
 12/26/2021   06:52:03   (   0.02,-137.14) (  -0.57,-139.76)  298.66                80
 12/27/2021   06:28:45   (   0.02,-137.13) (   0.57,-134.77)  268.94                80
 12/28/2021   18:47:36   (  -0.02,-137.11) (   0.50,-139.32)  252.41                80
 12/29/2021   18:29:38   (  -0.02,-137.09) (  -0.65,-134.33)  314.82                80
 12/31/2021   06:48:38   (   0.01,-137.05) (  -0.42,-138.92)  213.18                80