Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NPP
TLE Epoch: 2023 7 18.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 07/19/2023   02:07:28   (   0.34, 173.22) (  -0.32, 170.15)  348.97                80
 07/20/2023   01:46:07   (   0.31, 172.22) (   0.87, 174.64)  276.75                80
 07/21/2023   14:10:40   (  -0.34, 170.69) (  -0.01, 169.30)  159.65                80
 07/22/2023   13:49:19   (  -0.31, 169.69) (  -1.21, 173.79)  465.85                80
 07/24/2023   02:11:22   (   0.35, 168.13) (   0.42, 168.39)   29.32                80
 07/25/2023   14:35:55   (  -0.38, 166.61) (   0.43, 163.04)  407.01                80
 07/26/2023   14:14:34   (  -0.35, 165.61) (  -0.76, 167.53)  218.09                80
 07/28/2023   02:39:17   (   0.39, 164.06) (  -0.02, 162.13)  219.39                80
 07/29/2023   02:17:56   (   0.37, 163.06) (   1.18, 166.62)  405.56                80
 07/30/2023   14:42:29   (  -0.40, 161.55) (  -0.34, 161.27)   31.67                80