Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NPP
TLE Epoch: 2023 9 8.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 09/08/2023   17:11:42   (   0.39, 120.64) (  -0.16, 123.23)  294.76                80
 09/10/2023   05:36:23   (  -0.38, 119.00) (  -0.66, 117.85)  131.66                80
 09/11/2023   05:15:02   (  -0.38, 117.96) (   0.59, 122.33)  497.74                80
 09/12/2023   17:36:54   (   0.37, 116.41) (   0.24, 116.98)   64.63                80
 09/14/2023   06:01:35   (  -0.36, 114.77) (  -1.06, 111.60)  360.94                80
 09/15/2023   05:40:13   (  -0.37, 113.72) (   0.14, 116.09)  269.76                80
 09/16/2023   18:04:45   (   0.36, 112.15) (   0.68, 110.74)  160.56                80
 09/17/2023   17:43:24   (   0.36, 111.10) (  -0.57, 115.22)  469.75                80
 09/19/2023   06:05:24   (  -0.36, 109.44) (  -0.29, 109.85)   45.55                80
 09/20/2023   18:29:56   (   0.34, 107.86) (   1.11, 104.50)  383.13                80
 09/21/2023   18:08:35   (   0.35, 106.81) (  -0.15, 108.98)  247.52                80