Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NPP
TLE Epoch: 2019 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)
 11/02/2019   09:49:26   (   0.16,-128.47) (  -0.43,-125.81)  303.58                80
 11/03/2019   22:08:42   (  -0.13,-128.44) (  -0.72,-131.12)  305.56                80
 11/04/2019   21:52:36   (  -0.14,-128.45) (   0.26,-126.58)  212.19                80
 11/06/2019   10:11:45   (   0.11,-128.51) (   0.85,-131.87)  381.89                80
 11/07/2019   09:55:39   (   0.13,-128.52) (  -0.14,-127.33)  135.68                80
 11/08/2019   22:14:55   (  -0.10,-128.48) (  -1.01,-132.64)  473.99                80
 11/09/2019   21:58:50   (  -0.11,-128.49) (  -0.02,-128.11)   43.48                80
 11/12/2019   09:59:12   (   0.10,-128.55) (   0.19,-128.84)   34.08                80
 11/13/2019   09:43:07   (   0.12,-128.55) (  -0.86,-124.32)  482.87                80
 11/14/2019   22:02:23   (  -0.09,-128.50) (  -0.35,-129.62)  128.25                80