Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NPP
TLE Epoch: 2020 2 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)
 02/16/2020   09:58:43   (  -0.36,-128.37) (  -0.27,-128.88)   57.41                80
 02/17/2020   09:42:38   (  -0.35,-128.38) (  -1.27,-124.35)  460.34                80
 02/18/2020   22:01:55   (   0.36,-128.42) (   0.06,-129.65)  140.48                80
 02/19/2020   21:45:51   (   0.35,-128.43) (   1.12,-125.13)  377.14                80
 02/21/2020   10:04:59   (  -0.36,-128.43) (   0.06,-130.40)  224.50                80
 02/22/2020   09:48:55   (  -0.35,-128.43) (  -0.94,-125.87)  292.81                80
 02/23/2020   22:08:11   (   0.36,-128.47) (  -0.27,-131.17)  308.59                80
 02/24/2020   21:52:08   (   0.36,-128.48) (   0.79,-126.65)  208.75                80
 02/26/2020   10:13:56   (  -0.36,-128.47) (   0.39,-131.92)  392.88                80
 02/27/2020   09:52:32   (  -0.36,-128.48) (  -0.61,-127.39)  124.04                80
 02/28/2020   22:14:28   (   0.36,-128.50) (  -0.59,-132.69)  478.18                80