Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NPP
TLE Epoch: 2023 9 22.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 09/23/2023   06:33:14   (  -0.34, 105.26) (  -0.72, 103.62)  188.28                80
 09/24/2023   06:11:53   (  -0.34, 104.21) (   0.55, 108.09)  442.79                80
 09/25/2023   18:33:44   (   0.33, 102.64) (   0.31, 102.76)   13.52                80
 09/27/2023   06:58:25   (  -0.31, 100.99) (  -1.09,  97.37)  412.33                80
 09/28/2023   06:37:03   (  -0.32,  99.93) (   0.13, 101.85)  219.95                80
 09/29/2023   19:01:34   (   0.30,  98.32) (   0.73,  96.52)  206.36                80
 09/30/2023   18:40:12   (   0.32,  97.27) (  -0.49, 101.01)  425.47                80
 10/02/2023   07:02:12   (  -0.30,  95.61) (  -0.33,  95.63)    3.00                80
 10/03/2023   19:26:44   (   0.28,  93.99) (   1.11,  90.27)  423.23                80
 10/04/2023   19:05:22   (   0.30,  92.93) (  -0.11,  94.76)  208.99                80