Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NPP
TLE Epoch: 2023 8 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)
 08/19/2023   04:07:47   (  -0.42, 141.85) (  -0.79, 140.07)  201.75                80
 08/20/2023   03:46:25   (  -0.41, 140.83) (   0.43, 144.55)  424.82                80
 08/21/2023   16:10:58   (   0.42, 139.31) (   0.42, 139.21)   11.41                80
 08/23/2023   04:32:59   (  -0.42, 137.71) (  -1.29, 133.83)  441.13                80
 08/24/2023   04:11:38   (  -0.41, 136.68) (  -0.06, 138.32)  185.76                80
 08/25/2023   16:36:10   (   0.41, 135.16) (   0.91, 132.97)  249.59                80
 08/26/2023   16:14:48   (   0.40, 134.15) (  -0.32, 137.46)  376.80                80
 08/28/2023   04:39:30   (  -0.41, 132.53) (  -0.53, 132.08)   52.61                80
 08/29/2023   17:01:22   (   0.40, 131.00) (   1.38, 126.73)  486.54                80
 08/30/2023   16:40:01   (   0.40, 129.98) (   0.14, 131.22)  140.84                80
 09/01/2023   05:04:42   (  -0.40, 128.35) (  -0.98, 125.83)  287.57                80