Simultaneous Nadir Overpasses (SNOs) between GOES-14 and NPP
TLE Epoch: 2021 2 8.  Predictions up to the next  14.0 days:

     Date     Time(GOES-14)   GOES-14 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 02/08/2021   08:07:28   (  -0.03,-104.38) (  -0.90,-100.51)  440.41                80
 02/09/2021   20:29:23   (   0.02,-104.14) (  -0.33,-105.81)  189.29                80
 02/10/2021   20:07:57   (   0.02,-104.14) (   0.64,-101.27)  326.85                80
 02/12/2021   08:29:47   (  -0.02,-104.38) (   0.46,-106.55)  247.96                80
 02/13/2021   08:13:42   (  -0.02,-104.38) (  -0.57,-102.03)  269.23                80
 02/14/2021   20:35:38   (   0.02,-104.17) (  -0.66,-107.32)  358.35                80
 02/15/2021   20:14:12   (   0.03,-104.17) (   0.31,-102.78)  158.10                80
 02/17/2021   08:36:01   (  -0.02,-104.40) (   0.78,-108.07)  417.68                80
 02/18/2021   08:19:57   (  -0.02,-104.41) (  -0.24,-103.54)   99.80                80
 02/20/2021   20:23:07   (   0.02,-104.21) (  -0.01,-104.29)    9.74                80