Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NPP
TLE Epoch: 2022 2 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)
 02/11/2022   09:46:44   (   0.00,-128.10) (  -0.55,-125.76)  267.03                80
 02/12/2022   22:08:40   (  -0.01,-128.07) (  -0.67,-131.06)  340.68                80
 02/13/2022   21:52:35   (  -0.01,-128.04) (   0.33,-126.53)  172.56                80
 02/15/2022   10:14:24   (   0.00,-127.99) (   0.84,-131.80)  434.28                80
 02/16/2022   09:52:59   (   0.00,-127.96) (  -0.17,-127.27)   78.59                80
 02/18/2022   21:56:11   (  -0.00,-127.89) (  -0.04,-128.04)   17.33                80
 02/19/2022   21:40:07   (  -0.00,-127.86) (   0.97,-123.51)  495.48                80
 02/21/2022   10:01:55   (   0.00,-127.80) (   0.20,-128.79)  112.02                80
 02/22/2022   09:40:30   (  -0.00,-127.76) (  -0.81,-124.26)  400.16                80
 02/23/2022   22:02:27   (   0.00,-127.71) (  -0.39,-129.56)  210.31                80
 02/24/2022   21:46:22   (   0.01,-127.67) (   0.62,-125.03)  301.47                80