Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NPP
TLE Epoch: 2019 3 31.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 04/02/2019   09:58:41   (   0.05,-128.08) (   0.19,-128.77)   78.73                80
 04/03/2019   09:42:36   (   0.05,-128.05) (  -0.81,-124.23)  435.26                80
 04/04/2019   22:04:31   (  -0.05,-127.99) (  -0.38,-129.53)  174.98                80
 04/05/2019   21:43:06   (  -0.05,-127.96) (   0.63,-125.00)  338.66                80
 04/07/2019   10:04:52   (   0.05,-127.93) (   0.56,-130.26)  264.56                80
 04/08/2019   09:48:47   (   0.05,-127.90) (  -0.45,-125.72)  248.74                80
 04/09/2019   22:08:02   (  -0.05,-127.83) (  -0.74,-131.02)  362.61                80
 04/10/2019   21:51:56   (  -0.06,-127.80) (   0.26,-126.48)  150.16                80
 04/12/2019   10:11:03   (   0.06,-127.75) (   0.92,-131.75)  454.80                80
 04/13/2019   09:54:56   (   0.06,-127.71) (  -0.02,-127.20)   57.70                80