Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NPP
TLE Epoch: 2020 11 3.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 11/04/2020   09:46:31   (  -0.12,-127.97) (  -0.60,-125.81)  246.94                80
 11/05/2020   22:11:06   (   0.10,-127.93) (  -0.59,-131.11)  361.81                80
 11/06/2020   21:49:41   (   0.11,-127.89) (   0.41,-126.57)  150.41                80
 11/08/2020   10:14:07   (  -0.09,-127.83) (   0.81,-131.83)  456.72                80
 11/09/2020   09:52:42   (  -0.11,-127.79) (  -0.19,-127.30)   55.47                80
 11/11/2020   21:58:31   (   0.10,-127.70) (   0.00,-128.07)   42.14                80
 11/12/2020   21:37:07   (   0.11,-127.66) (   1.06,-123.54)  469.55                80
 11/14/2020   10:01:32   (  -0.09,-127.58) (   0.21,-128.79)  138.48                80
 11/15/2020   09:40:08   (  -0.10,-127.54) (  -0.85,-124.27)  372.99                80
 11/16/2020   22:04:42   (   0.07,-127.48) (  -0.39,-129.56)  237.30                80