Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-B
TLE Epoch: 2023 12 20.  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)
 12/20/2023   05:22:50   (  -0.11,  61.22) (  -0.00,  60.67)   62.97                80
 12/22/2023   17:23:45   (   0.11,  61.30) (   0.03,  61.09)   24.63                80
 12/25/2023   05:21:53   (  -0.10,  61.27) (  -0.18,  61.52)   29.38                80
 12/27/2023   17:17:27   (   0.09,  61.35) (   0.23,  61.94)   67.34                80
 12/29/2023   05:36:16   (  -0.08,  61.33) (   0.79,  57.38)  449.17                80
 12/30/2023   05:18:14   (  -0.08,  61.33) (  -0.34,  62.38)  119.56                80
 12/31/2023   17:37:10   (   0.07,  61.39) (  -0.72,  57.80)  409.09                80
 01/01/2024   17:13:48   (   0.07,  61.41) (   0.35,  62.81)  158.47                80