Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NPP
TLE Epoch: 2023 8 21.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 08/21/2023   16:10:57   (   0.42, 139.32) (   0.46, 139.22)   11.62                80
 08/23/2023   04:32:59   (  -0.42, 137.71) (  -1.27, 133.83)  441.25                80
 08/24/2023   04:11:38   (  -0.41, 136.69) (  -0.04, 138.31)  185.64                80
 08/25/2023   16:36:10   (   0.42, 135.17) (   0.88, 132.97)  249.67                80
 08/26/2023   16:14:49   (   0.40, 134.15) (  -0.35, 137.45)  376.72                80
 08/28/2023   04:39:30   (  -0.41, 132.54) (  -0.50, 132.07)   52.72                80
 08/29/2023   17:01:22   (   0.40, 131.00) (   1.35, 126.73)  486.62                80
 08/30/2023   16:40:01   (   0.40, 129.98) (   0.11, 131.21)  140.76                80
 09/01/2023   05:04:42   (  -0.40, 128.36) (  -0.95, 125.83)  287.72                80
 09/02/2023   04:43:21   (  -0.40, 127.32) (   0.30, 130.31)  341.21                80
 09/03/2023   17:07:52   (   0.40, 125.76) (   0.60, 124.98)   90.33                80