Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NPP
TLE Epoch: 2023 9 5.  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) (  -0.19, 124.08)  102.03                80
 09/07/2023   17:33:04   (   0.39, 121.65) (   1.02, 118.74)  331.68                80
 09/08/2023   17:11:42   (   0.39, 120.62) (  -0.16, 123.23)  296.58                80
 09/10/2023   05:36:24   (  -0.38, 118.98) (  -0.60, 117.83)  129.75                80
 09/12/2023   17:36:54   (   0.37, 116.38) (   0.24, 116.98)   68.30                80
 09/14/2023   06:01:35   (  -0.36, 114.73) (  -1.05, 111.59)  357.14                80
 09/15/2023   05:40:13   (  -0.37, 113.68) (   0.15, 116.09)  274.02                80
 09/16/2023   18:04:45   (   0.36, 112.10) (   0.68, 110.74)  155.01                80
 09/17/2023   17:43:24   (   0.36, 111.05) (  -0.58, 115.22)  475.78                80