Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NPP
TLE Epoch: 2019 11 10.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 11/12/2019   09:59:13   (   0.10,-128.54) (   0.15,-128.85)   34.95                80
 11/13/2019   09:43:07   (   0.12,-128.54) (  -0.84,-124.31)  481.85                80
 11/14/2019   22:02:22   (  -0.09,-128.49) (  -0.37,-129.61)  128.65                80
 11/15/2019   21:46:18   (  -0.10,-128.49) (   0.68,-125.09)  387.69                80
 11/17/2019   10:05:25   (   0.08,-128.52) (   0.48,-130.36)  209.48                80
 11/18/2019   09:49:20   (   0.09,-128.51) (  -0.51,-125.83)  306.25                80
 11/19/2019   22:08:36   (  -0.06,-128.45) (  -0.64,-131.14)  305.74                80
 11/20/2019   21:52:31   (  -0.07,-128.44) (   0.35,-126.60)  209.90                80
 11/22/2019   10:11:38   (   0.05,-128.47) (   0.81,-131.87)  387.74                80
 11/23/2019   09:55:32   (   0.06,-128.46) (  -0.18,-127.34)  127.69                80