Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-B
TLE Epoch: 2021 12 31.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  METOP-B Lat/Lon    Distance(km)  Time Diff(sec)
 01/01/2022   18:14:41   (  -0.08,-128.17) (   0.45,-130.59)  274.82                80
 01/02/2022   17:51:22   (  -0.09,-128.19) (  -0.69,-125.60)  296.33                80
 01/04/2022   06:13:01   (   0.07,-128.21) (  -0.36,-130.19)  224.67                80
 01/05/2022   05:49:42   (   0.08,-128.23) (   0.77,-125.20)  346.40                80
 01/06/2022   18:11:12   (  -0.06,-128.27) (   0.27,-129.75)  169.04                80
 01/07/2022   17:47:53   (  -0.07,-128.28) (  -0.87,-124.76)  402.10                80
 01/09/2022   06:09:32   (   0.05,-128.31) (  -0.18,-129.35)  118.89                80
 01/10/2022   05:46:12   (   0.06,-128.32) (   0.96,-124.36)  452.04                80
 01/11/2022   18:07:43   (  -0.05,-128.35) (   0.08,-128.91)   63.85                80
 01/14/2022   06:06:03   (   0.05,-128.38) (   0.02,-128.51)   15.21                80