Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NPP
TLE Epoch: 2022 2 13.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 02/13/2022   21:52:35   (  -0.01,-128.04) (   0.32,-126.53)  172.62                80
 02/15/2022   10:14:23   (   0.01,-127.99) (   0.85,-131.80)  434.34                80
 02/16/2022   09:52:59   (   0.01,-127.96) (  -0.15,-127.27)   78.50                80
 02/18/2022   21:56:11   (  -0.00,-127.89) (  -0.05,-128.04)   17.36                80
 02/19/2022   21:40:06   (  -0.00,-127.86) (   0.96,-123.51)  495.49                80
 02/21/2022   10:01:55   (   0.00,-127.80) (   0.21,-128.78)  112.15                80
 02/22/2022   09:40:30   (   0.00,-127.76) (  -0.79,-124.25)  400.00                80
 02/23/2022   22:02:26   (  -0.00,-127.71) (  -0.41,-129.55)  210.28                80
 02/24/2022   21:46:22   (   0.00,-127.67) (   0.60,-125.02)  301.51                80
 02/26/2022   10:08:09   (  -0.01,-127.59) (   0.63,-130.29)  307.45                80