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

     Date     Time(GOES-15)   GOES-15 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 09/15/2023   05:40:13   (  -0.37, 113.75) (   0.13, 116.09)  266.38                80
 09/16/2023   18:04:45   (   0.36, 112.20) (   0.68, 110.75)  165.29                80
 09/17/2023   17:43:22   (   0.37, 111.16) (  -0.52, 115.24)  464.30                80
 09/19/2023   06:05:24   (  -0.36, 109.50) (  -0.29, 109.85)   39.19                80
 09/20/2023   18:29:56   (   0.34, 107.93) (   1.10, 104.50)  390.77                80
 09/21/2023   18:08:34   (   0.35, 106.89) (  -0.10, 108.99)  239.15                80
 09/23/2023   06:33:15   (  -0.33, 105.24) (  -0.68, 103.60)  186.54                80
 09/24/2023   06:11:52   (  -0.34, 104.19) (   0.53, 108.09)  444.67                80
 09/25/2023   18:33:45   (   0.33, 102.61) (   0.28, 102.75)   15.59                80
 09/27/2023   06:58:25   (  -0.30, 100.96) (  -1.12,  97.37)  409.90                80
 09/28/2023   06:37:02   (  -0.32,  99.90) (   0.10, 101.86)  222.52                80