Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NPP
TLE Epoch: 2019 11 12.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 11/13/2019   09:43:07   (   0.12,-128.54) (  -0.81,-124.31)  481.86                80
 11/14/2019   22:02:23   (  -0.09,-128.49) (  -0.34,-129.62)  128.13                80
 11/15/2019   21:46:17   (  -0.10,-128.49) (   0.65,-125.08)  388.24                80
 11/17/2019   10:05:25   (   0.08,-128.53) (   0.51,-130.36)  209.18                80
 11/18/2019   09:49:20   (   0.09,-128.52) (  -0.54,-125.83)  306.66                80
 11/19/2019   22:08:36   (  -0.06,-128.46) (  -0.67,-131.13)  304.89                80
 11/20/2019   21:52:30   (  -0.07,-128.45) (   0.32,-126.59)  210.83                80
 11/22/2019   10:11:37   (   0.05,-128.48) (   0.83,-131.87)  387.02                80
 11/23/2019   09:55:33   (   0.06,-128.47) (  -0.22,-127.35)  128.52                80
 11/24/2019   22:14:48   (  -0.04,-128.40) (  -0.99,-132.64)  483.68                80
 11/25/2019   21:58:43   (  -0.05,-128.39) (   0.01,-128.11)   31.62                80