Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NPP
TLE Epoch: 2023 7 14.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 07/15/2023   01:42:12   (   0.30, 177.31) (   0.08, 176.42)  101.58                80
 07/17/2023   13:42:45   (  -0.30, 174.78) (  -0.46, 175.55)   88.12                80
 07/19/2023   02:07:28   (   0.34, 173.21) (  -0.34, 170.16)  348.25                80
 07/20/2023   01:46:07   (   0.31, 172.21) (   0.86, 174.65)  277.69                80
 07/21/2023   14:10:41   (  -0.35, 170.68) (  -0.06, 169.29)  158.11                80
 07/22/2023   13:49:19   (  -0.32, 169.68) (  -1.25, 173.77)  467.61                80
 07/24/2023   02:11:22   (   0.35, 168.12) (   0.40, 168.39)   31.16                80
 07/25/2023   14:35:56   (  -0.38, 166.58) (   0.39, 163.03)  404.55                80
 07/26/2023   14:14:35   (  -0.35, 165.58) (  -0.81, 167.52)  220.79                80