Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NPP
TLE Epoch: 2023 8 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)
 08/19/2023   04:07:47   (  -0.42, 141.84) (  -0.79, 140.07)  201.35                80
 08/20/2023   03:46:26   (  -0.41, 140.82) (   0.43, 144.55)  425.37                80
 08/21/2023   16:10:58   (   0.42, 139.31) (   0.42, 139.21)   10.74                80
 08/23/2023   04:32:59   (  -0.42, 137.70) (  -1.28, 133.83)  440.10                80
 08/24/2023   04:11:38   (  -0.41, 136.67) (  -0.05, 138.32)  186.95                80
 08/25/2023   16:36:10   (   0.41, 135.15) (   0.90, 132.97)  248.23                80
 08/26/2023   16:14:48   (   0.40, 134.13) (  -0.33, 137.46)  378.31                80
 08/28/2023   04:39:30   (  -0.40, 132.52) (  -0.52, 132.08)   50.75                80
 08/29/2023   17:01:22   (   0.40, 130.98) (   1.37, 126.73)  484.53                80
 08/30/2023   16:40:01   (   0.40, 129.96) (   0.13, 131.21)  143.00                80