Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NPP
TLE Epoch: 2023 8 22.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 08/23/2023   04:32:59   (  -0.42, 137.71) (  -1.28, 133.83)  441.35                80
 08/24/2023   04:11:38   (  -0.41, 136.69) (  -0.05, 138.32)  185.53                80
 08/25/2023   16:36:10   (   0.42, 135.17) (   0.90, 132.97)  249.76                80
 08/26/2023   16:14:49   (   0.41, 134.15) (  -0.34, 137.46)  376.61                80
 08/28/2023   04:39:30   (  -0.41, 132.54) (  -0.52, 132.08)   52.84                80
 08/29/2023   17:01:22   (   0.40, 131.00) (   1.36, 126.73)  486.71                80
 08/30/2023   16:40:01   (   0.40, 129.98) (   0.12, 131.21)  140.64                80
 09/01/2023   05:04:42   (  -0.40, 128.36) (  -0.96, 125.83)  287.85                80
 09/02/2023   04:43:20   (  -0.40, 127.32) (   0.28, 130.31)  341.06                80
 09/03/2023   17:07:53   (   0.40, 125.77) (   0.56, 124.97)   90.40                80