Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NPP
TLE Epoch: 2019 11 9.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 11/09/2019   21:58:50   (  -0.11,-128.48) (  -0.03,-128.10)   43.32                80
 11/12/2019   09:59:12   (   0.10,-128.54) (   0.20,-128.84)   35.20                80
 11/13/2019   09:43:07   (   0.12,-128.54) (  -0.85,-124.32)  481.63                80
 11/14/2019   22:02:23   (  -0.09,-128.49) (  -0.36,-129.62)  129.19                80
 11/15/2019   21:46:17   (  -0.10,-128.48) (   0.63,-125.08)  387.06                80
 11/17/2019   10:05:25   (   0.08,-128.52) (   0.47,-130.37)  210.01                80
 11/18/2019   09:49:20   (   0.09,-128.51) (  -0.52,-125.83)  305.67                80
 11/19/2019   22:08:35   (  -0.06,-128.44) (  -0.69,-131.13)  306.63                80
 11/20/2019   21:52:31   (  -0.07,-128.43) (   0.36,-126.60)  208.96                80
 11/22/2019   10:11:38   (   0.05,-128.47) (   0.80,-131.88)  388.61                80