Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NPP
TLE Epoch: 2019 11 4.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 11/04/2019   21:52:36   (  -0.14,-128.45) (   0.27,-126.58)  212.21                80
 11/06/2019   10:11:45   (   0.11,-128.51) (   0.84,-131.87)  382.13                80
 11/07/2019   09:55:39   (   0.13,-128.52) (  -0.15,-127.33)  135.34                80
 11/08/2019   22:14:56   (  -0.10,-128.48) (  -1.00,-132.64)  474.41                80
 11/09/2019   21:58:50   (  -0.11,-128.48) (  -0.02,-128.11)   42.97                80
 11/12/2019   09:59:12   (   0.10,-128.54) (   0.19,-128.84)   34.91                80
 11/13/2019   09:43:08   (   0.12,-128.54) (  -0.86,-124.32)  481.89                80
 11/14/2019   22:02:23   (  -0.09,-128.49) (  -0.35,-129.62)  129.33                80
 11/15/2019   21:46:17   (  -0.10,-128.48) (   0.64,-125.08)  386.91                80
 11/17/2019   10:05:26   (   0.08,-128.52) (   0.46,-130.37)  209.69                80
 11/18/2019   09:49:20   (   0.09,-128.51) (  -0.53,-125.83)  306.07                80