Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-B
TLE Epoch: 2023 1 22.  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)
 01/22/2023   05:45:55   (   0.02,-128.22) (   0.87,-124.36)  439.01                80
 01/23/2023   18:04:45   (  -0.02,-128.18) (   0.16,-128.92)   84.48                80
 01/24/2023   17:46:45   (  -0.01,-128.19) (  -0.98,-123.93)  486.33                80
 01/26/2023   06:05:45   (   0.01,-128.26) (  -0.05,-128.52)   28.80                80
 01/28/2023   18:03:55   (  -0.01,-128.23) (  -0.03,-128.07)   18.10                80
 01/30/2023   06:22:55   (   0.01,-128.30) (  -0.94,-132.67)  497.65                80
 01/31/2023   05:59:34   (   0.01,-128.31) (   0.17,-127.67)   72.51                80
 02/01/2023   18:18:24   (  -0.01,-128.25) (   0.89,-132.22)  452.20                80
 02/02/2023   18:00:23   (  -0.01,-128.26) (  -0.21,-127.22)  117.79                80
 02/04/2023   06:16:43   (   0.01,-128.32) (  -0.79,-131.81)  398.46                80