Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NPP
TLE Epoch: 2020 11 5.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 11/05/2020   22:11:06   (   0.10,-127.93) (  -0.61,-131.10)  361.64                80
 11/06/2020   21:49:40   (   0.11,-127.90) (   0.38,-126.57)  150.64                80
 11/08/2020   10:14:07   (  -0.09,-127.83) (   0.83,-131.83)  456.61                80
 11/09/2020   09:52:42   (  -0.11,-127.79) (  -0.23,-127.31)   55.55                80
 11/11/2020   21:58:32   (   0.10,-127.70) (   0.04,-128.07)   41.79                80
 11/12/2020   21:37:07   (   0.11,-127.66) (   1.04,-123.54)  469.99                80
 11/14/2020   10:01:33   (  -0.09,-127.58) (   0.16,-128.80)  138.10                80
 11/15/2020   09:40:07   (  -0.10,-127.54) (  -0.84,-124.27)  373.40                80
 11/16/2020   22:04:42   (   0.07,-127.48) (  -0.40,-129.56)  236.68                80
 11/17/2020   21:43:16   (   0.08,-127.43) (   0.60,-125.02)  274.23                80