Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NPP
TLE Epoch: 2020 11 14.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 11/15/2020   09:40:07   (  -0.10,-127.56) (  -0.83,-124.26)  376.17                80
 11/16/2020   22:04:43   (   0.07,-127.51) (  -0.36,-129.56)  232.91                80
 11/17/2020   21:43:17   (   0.09,-127.47) (   0.64,-125.03)  278.35                80
 11/19/2020   10:07:43   (  -0.06,-127.38) (   0.56,-130.29)  330.85                80
 11/20/2020   09:46:18   (  -0.08,-127.34) (  -0.44,-125.75)  180.43                80
 11/21/2020   22:10:52   (   0.05,-127.28) (  -0.81,-131.04)  428.82                80
 11/22/2020   21:49:28   (   0.07,-127.24) (   0.26,-126.52)   82.27                80
 11/25/2020   09:55:08   (  -0.05,-127.10) (  -0.00,-127.24)   16.24                80
 11/26/2020   09:33:43   (  -0.07,-127.05) (  -1.07,-122.72)  494.95                80
 11/27/2020   21:58:17   (   0.03,-127.00) (  -0.17,-128.00)  114.50                80