Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NPP
TLE Epoch: 2022 2 12.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 02/12/2022   22:08:40   (  -0.01,-128.07) (  -0.66,-131.06)  340.68                80
 02/13/2022   21:52:36   (  -0.01,-128.04) (   0.35,-126.53)  172.62                80
 02/15/2022   10:14:23   (   0.01,-127.99) (   0.88,-131.79)  434.28                80
 02/16/2022   09:52:58   (   0.00,-127.96) (  -0.12,-127.26)   78.63                80
 02/18/2022   21:56:11   (  -0.00,-127.89) (  -0.02,-128.05)   17.36                80
 02/19/2022   21:40:07   (  -0.00,-127.86) (   0.99,-123.51)  495.53                80
 02/21/2022   10:01:54   (   0.00,-127.80) (   0.24,-128.78)  112.05                80
 02/22/2022   09:40:30   (   0.00,-127.76) (  -0.77,-124.25)  400.14                80
 02/23/2022   22:02:26   (  -0.00,-127.71) (  -0.43,-129.55)  210.25                80
 02/24/2022   21:46:21   (   0.00,-127.67) (   0.58,-125.02)  301.54                80