Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NPP
TLE Epoch: 2023 9 4.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 09/06/2023   05:08:32   (  -0.40, 123.18) (  -0.20, 124.08)  102.18                80
 09/07/2023   17:33:04   (   0.39, 121.64) (   1.04, 118.74)  331.13                80
 09/08/2023   17:11:43   (   0.39, 120.61) (  -0.21, 123.22)  297.22                80
 09/10/2023   05:36:24   (  -0.38, 118.97) (  -0.61, 117.83)  129.15                80
 09/12/2023   17:36:54   (   0.37, 116.37) (   0.25, 116.98)   69.40                80
 09/14/2023   06:01:35   (  -0.36, 114.72) (  -1.06, 111.60)  356.14                80
 09/15/2023   05:40:14   (  -0.37, 113.67) (   0.19, 116.08)  275.11                80
 09/16/2023   18:04:46   (   0.36, 112.08) (   0.63, 110.73)  153.54                80
 09/17/2023   17:43:23   (   0.36, 111.03) (  -0.56, 115.22)  477.36                80