Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NPP
TLE Epoch: 2023 9 11.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 09/11/2023   05:15:02   (  -0.38, 117.97) (   0.61, 122.32)  496.99                80
 09/12/2023   17:36:53   (   0.37, 116.43) (   0.27, 116.99)   63.04                80
 09/14/2023   06:01:35   (  -0.36, 114.78) (  -1.09, 111.60)  362.82                80
 09/15/2023   05:40:13   (  -0.37, 113.74) (   0.17, 116.08)  267.51                80
 09/16/2023   18:04:45   (   0.36, 112.18) (   0.65, 110.74)  163.70                80
 09/17/2023   17:43:23   (   0.37, 111.14) (  -0.54, 115.23)  466.26                80
 09/19/2023   06:05:24   (  -0.36, 109.48) (  -0.26, 109.84)   41.80                80
 09/20/2023   18:29:57   (   0.34, 107.90) (   1.07, 104.49)  387.74                80
 09/21/2023   18:08:34   (   0.35, 106.86) (  -0.13, 108.99)  242.55                80
 09/23/2023   06:33:14   (  -0.33, 105.21) (  -0.72, 103.61)  182.55                80
 09/24/2023   06:11:53   (  -0.34, 104.15) (   0.55, 108.09)  449.02                80