Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NPP
TLE Epoch: 2020 2 26.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 02/27/2020   09:52:31   (  -0.36,-128.44) (  -0.60,-127.39)  120.36                80
 02/28/2020   22:14:28   (   0.36,-128.46) (  -0.61,-132.69)  482.03                80
 02/29/2020   21:58:24   (   0.36,-128.46) (   0.45,-128.17)   34.36                80
 03/03/2020   10:01:27   (  -0.35,-128.43) (  -0.22,-128.89)   53.70                80
 03/04/2020   09:40:02   (  -0.35,-128.42) (  -1.23,-124.36)  461.76                80
 03/05/2020   22:02:00   (   0.35,-128.43) (   0.08,-129.68)  142.31                80
 03/06/2020   21:45:55   (   0.34,-128.41) (   1.09,-125.15)  372.86                80
 03/08/2020   10:07:43   (  -0.34,-128.38) (   0.14,-130.40)  231.85                80
 03/09/2020   09:46:19   (  -0.34,-128.36) (  -0.92,-125.89)  282.88                80
 03/10/2020   22:08:15   (   0.33,-128.36) (  -0.28,-131.19)  322.19                80