Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NPP
TLE Epoch: 2023 9 6.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 09/06/2023   05:08:32   (  -0.40, 123.19) (  -0.21, 124.08)  102.19                80
 09/07/2023   17:33:04   (   0.39, 121.65) (   1.04, 118.74)  331.85                80
 09/08/2023   17:11:43   (   0.39, 120.62) (  -0.21, 123.22)  296.30                80
 09/10/2023   05:36:24   (  -0.38, 118.98) (  -0.62, 117.84)  129.93                80
 09/11/2023   05:15:01   (  -0.38, 117.94) (   0.57, 122.33)  499.83                80
 09/12/2023   17:36:54   (   0.37, 116.39) (   0.25, 116.98)   67.71                80
 09/14/2023   06:01:35   (  -0.36, 114.74) (  -1.07, 111.60)  357.69                80
 09/15/2023   05:40:14   (  -0.37, 113.68) (   0.19, 116.08)  273.38                80
 09/16/2023   18:04:46   (   0.36, 112.11) (   0.63, 110.73)  155.98                80
 09/17/2023   17:43:23   (   0.37, 111.06) (  -0.56, 115.22)  474.73                80
 09/19/2023   06:05:25   (  -0.36, 109.39) (  -0.23, 109.83)   50.74                80