Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NPP
TLE Epoch: 2023 8 20.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 08/20/2023   03:46:25   (  -0.41, 140.83) (   0.43, 144.55)  424.72                80
 08/21/2023   16:10:58   (   0.42, 139.32) (   0.42, 139.21)   11.51                80
 08/23/2023   04:32:59   (  -0.42, 137.71) (  -1.29, 133.83)  441.28                80
 08/24/2023   04:11:38   (  -0.41, 136.69) (  -0.05, 138.32)  185.60                80
 08/25/2023   16:36:10   (   0.42, 135.17) (   0.90, 132.97)  249.70                80
 08/26/2023   16:14:48   (   0.40, 134.15) (  -0.33, 137.46)  376.67                80
 08/28/2023   04:39:30   (  -0.41, 132.54) (  -0.52, 132.08)   52.77                80
 08/29/2023   17:01:22   (   0.40, 131.00) (   1.36, 126.73)  486.66                80
 08/30/2023   16:40:01   (   0.40, 129.98) (   0.13, 131.21)  140.70                80
 09/01/2023   05:04:42   (  -0.40, 128.36) (  -0.97, 125.83)  287.75                80
 09/02/2023   04:43:20   (  -0.40, 127.32) (   0.28, 130.31)  341.16                80