Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NPP
TLE Epoch: 2020 10 29.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 10/30/2020   09:40:19   (  -0.14,-128.12) (  -0.97,-124.31)  434.63                80
 10/31/2020   22:04:55   (   0.12,-128.08) (  -0.22,-129.61)  173.95                80
 11/01/2020   21:43:29   (   0.13,-128.05) (   0.77,-125.07)  339.19                80
 11/03/2020   10:07:56   (  -0.11,-128.01) (   0.39,-130.35)  265.76                80
 11/04/2020   09:46:31   (  -0.12,-127.98) (  -0.61,-125.81)  247.11                80
 11/05/2020   22:11:06   (   0.10,-127.93) (  -0.58,-131.11)  362.48                80
 11/06/2020   21:49:41   (   0.11,-127.89) (   0.42,-126.58)  149.69                80
 11/08/2020   10:14:07   (  -0.09,-127.83) (   0.80,-131.84)  456.79                80
 11/09/2020   09:52:42   (  -0.11,-127.79) (  -0.20,-127.30)   55.31                80
 11/11/2020   21:58:31   (   0.10,-127.69) (   0.02,-128.07)   43.03                80