Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NPP
TLE Epoch: 2019 10 31.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 11/01/2019   10:05:31   (   0.15,-128.46) (   0.56,-130.34)  214.30                80
 11/02/2019   09:49:25   (   0.16,-128.47) (  -0.42,-125.81)  303.56                80
 11/03/2019   22:08:42   (  -0.13,-128.44) (  -0.73,-131.12)  305.47                80
 11/04/2019   21:52:36   (  -0.14,-128.45) (   0.26,-126.58)  212.33                80
 11/06/2019   10:11:45   (   0.11,-128.52) (   0.85,-131.87)  381.71                80
 11/07/2019   09:55:39   (   0.13,-128.52) (  -0.13,-127.33)  135.91                80
 11/08/2019   22:14:55   (  -0.10,-128.48) (  -1.02,-132.64)  473.64                80
 11/09/2019   21:58:50   (  -0.11,-128.49) (  -0.03,-128.11)   43.85                80
 11/12/2019   09:59:13   (   0.10,-128.56) (   0.15,-128.86)   33.62                80
 11/13/2019   09:43:07   (   0.12,-128.56) (  -0.84,-124.32)  483.35                80