Simultaneous Nadir Overpasses (SNOs) between GOES-14 and NPP
TLE Epoch: 2020 9 12.  Predictions up to the next  14.0 days:

     Date     Time(GOES-14)   GOES-14 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 09/13/2020   20:23:37   (  -0.36,-104.50) (  -0.28,-104.21)   32.94                80
 09/16/2020   08:26:41   (   0.35,-104.40) (   0.45,-104.95)   62.48                80
 09/17/2020   08:05:16   (   0.36,-104.38) (  -0.56,-100.42)  452.52                80
 09/18/2020   20:27:14   (  -0.34,-104.46) (  -0.60,-105.73)  143.88                80
 09/19/2020   20:11:09   (  -0.35,-104.46) (   0.41,-101.20)  373.15                80
 09/21/2020   08:32:56   (   0.33,-104.39) (   0.82,-106.45)  235.69                80
 09/22/2020   08:11:32   (   0.34,-104.38) (  -0.18,-101.92)  279.19                80
 09/23/2020   20:33:29   (  -0.32,-104.42) (  -0.96,-107.23)  321.09                80
 09/24/2020   20:17:25   (  -0.32,-104.42) (   0.05,-102.70)  195.70                80
 09/26/2020   08:39:13   (   0.30,-104.38) (   1.13,-107.97)  409.81                80