Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NPP
TLE Epoch: 2020 11 1.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 11/03/2020   10:07:56   (  -0.11,-128.01) (   0.43,-130.34)  265.90                80
 11/04/2020   09:46:31   (  -0.12,-127.98) (  -0.63,-125.81)  246.96                80
 11/05/2020   22:11:06   (   0.10,-127.93) (  -0.62,-131.10)  362.19                80
 11/06/2020   21:49:41   (   0.11,-127.89) (   0.44,-126.58)  150.01                80
 11/08/2020   10:14:08   (  -0.09,-127.83) (   0.78,-131.84)  456.94                80
 11/09/2020   09:52:42   (  -0.11,-127.79) (  -0.22,-127.31)   55.12                80
 11/11/2020   21:58:32   (   0.10,-127.69) (   0.03,-128.07)   42.81                80
 11/12/2020   21:37:06   (   0.11,-127.65) (   1.03,-123.54)  468.80                80
 11/14/2020   10:01:33   (  -0.09,-127.58) (   0.18,-128.80)  139.00                80
 11/15/2020   09:40:07   (  -0.10,-127.53) (  -0.82,-124.26)  372.40                80