Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NPP
TLE Epoch: 2018 11 5.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 11/05/2018   22:15:14   (  -0.13,-129.42) (  -0.86,-132.69)  372.55                80
 11/06/2018   21:59:07   (  -0.14,-128.59) (  -0.02,-128.12)   53.73                80
 11/07/2018   21:40:18   (  -0.16,-127.76) (   0.76,-123.54)  479.94                80
 11/09/2018   09:59:22   (   0.13,-126.34) (   0.68,-128.75)  275.15                80
 11/10/2018   09:43:14   (   0.14,-125.52) (  -0.16,-124.19)  151.50                80
 11/12/2018   21:43:40   (  -0.11,-123.57) (  -0.38,-124.88)  149.36                80
 11/13/2018   21:27:31   (  -0.12,-122.73) (   0.40,-120.30)  276.20                80
 11/15/2018   09:46:35   (   0.09,-121.29) (   1.04,-125.52)  482.31                80
 11/16/2018   09:27:47   (   0.10,-120.46) (   0.20,-120.95)   55.88                80
 11/17/2018   09:11:40   (   0.11,-119.62) (  -0.65,-116.38)  370.24                80
 11/18/2018   21:30:52   (  -0.07,-118.52) (  -0.79,-121.63)  355.42                80