Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NPP
TLE Epoch: 2023 7 19.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 07/20/2023   01:46:07   (   0.31, 172.22) (   0.86, 174.65)  276.30                80
 07/21/2023   14:10:40   (  -0.34, 170.70) (  -0.00, 169.30)  160.47                80
 07/22/2023   13:49:19   (  -0.31, 169.70) (  -1.25, 173.78)  464.83                80
 07/24/2023   02:11:22   (   0.35, 168.15) (   0.41, 168.39)   27.99                80
 07/25/2023   14:35:55   (  -0.38, 166.63) (   0.44, 163.04)  408.67                80
 07/26/2023   14:14:34   (  -0.35, 165.63) (  -0.76, 167.53)  216.23                80
 07/28/2023   02:39:17   (   0.39, 164.08) (  -0.03, 162.13)  221.54                80
 07/29/2023   02:17:55   (   0.37, 163.09) (   1.17, 166.62)  403.20                80
 07/30/2023   14:42:29   (  -0.40, 161.57) (  -0.33, 161.27)   34.37                80
 08/01/2023   03:04:31   (   0.43, 160.03) (  -0.50, 155.88)  472.99                80
 08/02/2023   02:43:10   (   0.41, 159.04) (   0.71, 160.37)  151.69                80