Simultaneous Nadir Overpasses (SNOs) between GOES-16 and METOP-B
TLE Epoch: 2021 10 21.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  METOP-B Lat/Lon    Distance(km)  Time Diff(sec)
 10/21/2021   14:38:59   (   0.06, -75.21) (   0.53, -77.26)  234.56                80
 10/22/2021   14:21:01   (   0.06, -75.21) (  -0.62, -72.28)  334.83                80
 10/24/2021   02:40:01   (  -0.06, -75.19) (  -0.42, -76.87)  190.70                80
 10/25/2021   02:16:42   (  -0.07, -75.20) (   0.67, -71.87)  378.84                80
 10/26/2021   14:35:34   (   0.07, -75.23) (   0.32, -76.44)  137.89                80
 10/27/2021   14:17:35   (   0.08, -75.23) (  -0.77, -71.44)  431.94                80
 10/29/2021   02:36:35   (  -0.08, -75.22) (  -0.26, -76.04)   92.77                80
 10/30/2021   02:13:15   (  -0.08, -75.23) (   0.84, -71.04)  477.31                80
 10/31/2021   14:32:08   (   0.08, -75.27) (   0.16, -75.61)   38.58                80
 11/03/2021   02:30:29   (  -0.08, -75.28) (  -0.08, -75.20)    8.52                80