Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NPP
TLE Epoch: 2023 9 25.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 09/25/2023   18:33:45   (   0.33, 102.65) (   0.27, 102.75)   12.83                80
 09/27/2023   06:58:25   (  -0.31, 101.00) (  -1.11,  97.37)  413.22                80
 09/28/2023   06:37:02   (  -0.32,  99.94) (   0.11, 101.86)  218.90                80
 09/29/2023   19:01:35   (   0.30,  98.34) (   0.68,  96.51)  207.97                80
 09/30/2023   18:40:11   (   0.32,  97.29) (  -0.48, 101.01)  423.70                80
 10/02/2023   07:04:53   (  -0.30,  95.63) (  -0.27,  95.62)    3.16                80
 10/03/2023   19:26:44   (   0.28,  94.01) (   1.12,  90.28)  425.43                80
 10/04/2023   19:05:21   (   0.30,  92.95) (  -0.11,  94.77)  206.62                80
 10/06/2023   07:30:02   (  -0.27,  91.30) (  -0.69,  89.38)  218.09                80
 10/07/2023   07:08:39   (  -0.29,  90.23) (   0.55,  93.87)  415.48                80
 10/08/2023   19:33:11   (   0.26,  88.60) (   0.29,  88.53)    8.23                80