Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NPP
TLE Epoch: 2023 9 14.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 09/14/2023   06:01:35   (  -0.36, 114.79) (  -1.05, 111.60)  363.53                80
 09/15/2023   05:40:13   (  -0.37, 113.75) (   0.15, 116.09)  266.50                80
 09/16/2023   18:04:45   (   0.36, 112.19) (   0.67, 110.74)  165.17                80
 09/17/2023   17:43:23   (   0.37, 111.16) (  -0.53, 115.23)  464.47                80
 09/19/2023   06:05:24   (  -0.36, 109.50) (  -0.27, 109.85)   39.55                80
 09/20/2023   18:29:56   (   0.34, 107.93) (   1.09, 104.50)  390.42                80
 09/21/2023   18:08:34   (   0.35, 106.89) (  -0.12, 108.99)  239.57                80
 09/23/2023   06:33:14   (  -0.33, 105.24) (  -0.73, 103.61)  185.96                80
 09/24/2023   06:11:53   (  -0.34, 104.19) (   0.54, 108.09)  445.34                80
 09/25/2023   18:33:45   (   0.32, 102.61) (   0.26, 102.74)   16.53                80
 09/27/2023   06:58:25   (  -0.30, 100.96) (  -1.10,  97.36)  409.05                80