Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NPP
TLE Epoch: 2023 12 1.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 12/03/2023   09:21:39   (  -0.01,  61.29) (  -0.14,  60.65)   72.89                80
 12/04/2023   09:05:34   (  -0.02,  61.27) (   0.87,  65.19)  446.71                80
 12/05/2023   21:27:21   (  -0.00,  61.19) (   0.26,  59.91)  144.97                80
 12/06/2023   21:05:56   (   0.01,  61.17) (  -0.75,  64.44)  373.73                80
 12/08/2023   09:27:51   (   0.01,  61.20) (  -0.43,  59.14)  234.06                80
 12/09/2023   09:11:46   (  -0.00,  61.18) (   0.58,  63.68)  285.19                80
 12/10/2023   21:33:32   (  -0.02,  61.09) (   0.59,  58.41)  305.74                80
 12/11/2023   21:12:06   (  -0.00,  61.08) (  -0.43,  62.94)  212.20                80
 12/13/2023   09:34:02   (   0.02,  61.14) (  -0.74,  57.64)  398.43                80
 12/14/2023   09:17:55   (   0.01,  61.13) (   0.23,  62.19)  119.77                80