Simultaneous Nadir Overpasses (SNOs) between GOES-17 and METOP-A
TLE Epoch: 2021 12 20.  Predictions up to the next  14.0 days:

     Date     Time(GOES-17)   GOES-17 Lat/Lon  METOP-A Lat/Lon    Distance(km)  Time Diff(sec)
 12/21/2021   16:53:09   (  -0.04,-137.21) (  -0.72,-134.06)  358.23                80
 12/22/2021   05:09:12   (   0.04,-137.20) (  -0.11,-137.93)   82.94                80
 12/24/2021   16:55:02   (  -0.04,-137.21) (  -0.67,-134.38)  322.18                80
 12/25/2021   05:11:16   (   0.03,-137.19) (  -0.18,-138.29)  124.28                80
 12/27/2021   16:56:52   (  -0.03,-137.19) (  -0.55,-134.68)  285.40                80
 12/28/2021   05:13:18   (   0.03,-137.17) (  -0.28,-138.64)  166.56                80
 12/30/2021   16:58:43   (  -0.03,-137.16) (  -0.50,-134.99)  247.17                80
 12/31/2021   05:15:20   (   0.02,-137.14) (  -0.39,-138.98)  210.51                80
 01/02/2022   17:00:33   (  -0.01,-137.11) (  -0.43,-135.29)  207.31                80
 01/03/2022   05:17:20   (   0.01,-137.08) (  -0.51,-139.32)  255.97                80