Simultaneous Nadir Overpasses (SNOs) between GOES-14 and NPP
TLE Epoch: 2021 7 17.  Predictions up to the next  14.0 days:

     Date     Time(GOES-14)   GOES-14 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 07/17/2021   08:24:10   (  -0.21,-104.11) (   0.03,-105.13)  117.49                80
 07/18/2021   08:08:06   (  -0.20,-104.11) (  -0.96,-100.60)  399.09                80
 07/19/2021   20:27:25   (   0.23,-104.35) (  -0.12,-105.93)  180.43                80
 07/20/2021   20:11:21   (   0.22,-104.35) (   0.86,-101.39)  336.34                80
 07/22/2021   08:30:30   (  -0.26,-104.11) (   0.29,-106.67)  291.00                80
 07/23/2021   08:14:25   (  -0.25,-104.11) (  -0.69,-102.14)  225.24                80
 07/24/2021   20:33:44   (   0.28,-104.34) (  -0.44,-107.45)  355.42                80
 07/25/2021   20:17:40   (   0.27,-104.35) (   0.60,-102.93)  161.78                80
 07/27/2021   08:39:29   (  -0.30,-104.13) (   0.61,-108.20)  463.37                80
 07/28/2021   08:19:35   (  -0.28,-104.13) (  -0.38,-103.66)   53.41                11
 07/30/2021   20:21:19   (   0.30,-104.37) (   0.29,-104.46)   10.11                80