Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-B
TLE Epoch: 2023 7 21.  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)
 07/22/2023   10:03:15   (   0.11, 169.87) (   0.38, 171.09)  139.20                80
 07/23/2023   22:24:50   (  -0.07, 168.30) (   0.32, 166.46)  208.80                80
 07/24/2023   22:01:34   (  -0.11, 167.30) (  -1.04, 171.41)  467.82                80
 07/26/2023   10:20:37   (   0.07, 165.80) (   0.31, 166.75)  108.41                80
 07/27/2023   22:42:11   (  -0.03, 164.24) (   0.44, 162.13)  240.11                80
 07/28/2023   22:18:55   (  -0.08, 163.25) (  -0.93, 167.07)  435.98                80
 07/30/2023   10:37:58   (   0.04, 161.76) (   0.21, 162.42)   75.80                80
 07/31/2023   22:59:32   (   0.00, 160.20) (   0.53, 157.80)  273.33                80
 08/01/2023   22:36:16   (  -0.05, 159.21) (  -0.84, 162.74)  402.58                80
 08/03/2023   10:55:18   (   0.01, 157.71) (   0.07, 158.09)   42.70                80