Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NPP
TLE Epoch: 2020 2 27.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 02/28/2020   22:14:28   (   0.36,-128.46) (  -0.59,-132.69)  482.03                80
 02/29/2020   21:58:23   (   0.36,-128.46) (   0.41,-128.16)   34.26                80
 03/03/2020   10:01:27   (  -0.35,-128.43) (  -0.25,-128.90)   53.52                80
 03/04/2020   09:40:03   (  -0.35,-128.42) (  -1.25,-124.37)  461.88                80
 03/05/2020   22:01:59   (   0.35,-128.43) (   0.04,-129.67)  142.23                80
 03/06/2020   21:45:55   (   0.34,-128.41) (   1.05,-125.14)  372.97                80
 03/08/2020   10:07:43   (  -0.34,-128.38) (   0.12,-130.41)  231.60                80
 03/09/2020   09:46:18   (  -0.34,-128.36) (  -0.89,-125.88)  283.10                80
 03/10/2020   22:08:15   (   0.33,-128.36) (  -0.31,-131.18)  321.99                80
 03/11/2020   21:52:10   (   0.34,-128.34) (   0.70,-126.65)  192.72                80