Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NPP
TLE Epoch: 2023 9 3.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 09/03/2023   17:07:53   (   0.40, 125.84) (   0.57, 124.97)   98.14                80
 09/06/2023   05:08:32   (  -0.40, 123.18) (  -0.22, 124.09)  103.11                80
 09/07/2023   17:33:04   (   0.39, 121.63) (   1.05, 118.74)  329.58                80
 09/08/2023   17:11:42   (   0.39, 120.60) (  -0.20, 123.22)  299.00                80
 09/10/2023   05:36:24   (  -0.38, 118.95) (  -0.63, 117.84)  127.26                80
 09/12/2023   17:36:54   (   0.37, 116.34) (   0.21, 116.97)   72.17                80
 09/14/2023   06:01:35   (  -0.36, 114.69) (  -1.08, 111.60)  353.31                80
 09/15/2023   05:40:13   (  -0.37, 113.64) (   0.18, 116.08)  278.18                80
 09/16/2023   18:04:46   (   0.36, 112.05) (   0.65, 110.73)  149.80                80