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

     Date     Time(GOES-15)   GOES-15 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 11/16/2020   22:04:42   (   0.07,-127.51) (  -0.40,-129.55)  232.97                80
 11/17/2020   21:43:17   (   0.09,-127.47) (   0.66,-125.03)  278.27                80
 11/19/2020   10:07:43   (  -0.06,-127.38) (   0.60,-130.28)  330.93                80
 11/20/2020   09:46:17   (  -0.08,-127.33) (  -0.40,-125.75)  180.35                80
 11/21/2020   22:10:52   (   0.05,-127.28) (  -0.79,-131.05)  428.98                80
 11/22/2020   21:49:27   (   0.07,-127.23) (   0.22,-126.51)   82.03                80
 11/25/2020   09:55:08   (  -0.05,-127.10) (  -0.03,-127.24)   16.34                80
 11/26/2020   09:33:42   (  -0.07,-127.05) (  -1.03,-122.71)  494.73                80
 11/27/2020   21:58:17   (   0.03,-126.99) (  -0.21,-128.00)  114.78                80
 11/28/2020   21:36:52   (   0.05,-126.94) (   0.86,-123.48)  395.80                80