Simultaneous Nadir Overpasses (SNOs) between GOES-17 and METOP-B
TLE Epoch: 2021 2 20.  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)
 02/20/2021   18:29:30   (   0.02,-137.22) (  -0.42,-135.19)  230.19                80
 02/22/2021   06:51:10   (  -0.02,-137.21) (  -0.58,-139.79)  294.32                80
 02/23/2021   06:27:49   (  -0.02,-137.20) (   0.49,-134.79)  274.48                80
 02/24/2021   18:46:41   (   0.03,-137.20) (   0.52,-139.35)  245.28                80
 02/25/2021   18:28:41   (   0.03,-137.19) (  -0.60,-134.36)  323.16                80
 02/27/2021   06:47:41   (  -0.02,-137.17) (  -0.44,-138.95)  202.55                80
 02/28/2021   06:24:21   (  -0.02,-137.16) (   0.69,-133.95)  365.60                80
 03/01/2021   18:43:12   (   0.02,-137.15) (   0.34,-138.51)  155.35                80
 03/02/2021   18:25:13   (   0.02,-137.14) (  -0.79,-133.52)  412.48                80
 03/04/2021   06:44:12   (  -0.02,-137.11) (  -0.24,-138.11)  114.17                80
 03/05/2021   06:20:53   (  -0.02,-137.09) (   0.89,-133.12)  453.01                80