Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NPP
TLE Epoch: 2023 9 27.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 09/27/2023   06:58:25   (  -0.31, 101.00) (  -1.11,  97.37)  413.33                80
 09/28/2023   06:37:02   (  -0.32,  99.94) (   0.11, 101.86)  218.74                80
 09/29/2023   19:01:35   (   0.30,  98.35) (   0.68,  96.51)  208.64                80
 09/30/2023   18:40:11   (   0.32,  97.29) (  -0.48, 101.01)  422.96                80
 10/02/2023   07:04:53   (  -0.30,  95.63) (  -0.28,  95.62)    2.86                80
 10/03/2023   19:26:44   (   0.28,  94.02) (   1.12,  90.28)  426.34                80
 10/04/2023   19:05:21   (   0.30,  92.96) (  -0.11,  94.77)  205.64                80
 10/06/2023   07:30:02   (  -0.27,  91.31) (  -0.70,  89.38)  218.78                80
 10/07/2023   07:08:39   (  -0.29,  90.24) (   0.54,  93.87)  414.73                80
 10/08/2023   19:33:11   (   0.26,  88.61) (   0.29,  88.53)    9.50                80
 10/10/2023   07:55:11   (  -0.24,  86.96) (  -1.08,  83.15)  434.19                80