Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NPP
TLE Epoch: 2020 2 16.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 02/17/2020   09:42:38   (  -0.35,-128.38) (  -1.24,-124.34)  460.15                80
 02/18/2020   22:01:55   (   0.36,-128.42) (   0.09,-129.65)  140.50                80
 02/19/2020   21:45:51   (   0.35,-128.43) (   1.09,-125.12)  377.02                80
 02/21/2020   10:04:59   (  -0.36,-128.42) (   0.09,-130.39)  224.91                80
 02/22/2020   09:48:54   (  -0.35,-128.43) (  -0.91,-125.86)  292.33                80
 02/23/2020   22:08:12   (   0.36,-128.46) (  -0.24,-131.18)  308.91                80
 02/24/2020   21:52:07   (   0.36,-128.47) (   0.76,-126.64)  208.34                80
 02/26/2020   10:13:56   (  -0.36,-128.46) (   0.42,-131.92)  393.58                80
 02/27/2020   09:52:31   (  -0.36,-128.47) (  -0.59,-127.38)  123.27                80
 02/28/2020   22:14:28   (   0.36,-128.49) (  -0.56,-132.70)  478.80                80
 02/29/2020   21:58:24   (   0.36,-128.50) (   0.45,-128.17)   37.89                80