Simultaneous Nadir Overpasses (SNOs) between GOES-14 and NPP
TLE Epoch: 2021 4 22.  Predictions up to the next  14.0 days:

     Date     Time(GOES-14)   GOES-14 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 04/22/2021   08:35:38   (   0.15,-104.25) (   0.96,-107.94)  419.62                80
 04/23/2021   08:19:33   (   0.16,-104.25) (  -0.03,-103.40)   97.65                80
 04/25/2021   20:20:03   (  -0.16,-104.30) (  -0.13,-104.17)   15.61                80
 04/28/2021   08:23:05   (   0.15,-104.23) (   0.28,-104.90)   75.37                80
 04/29/2021   08:07:00   (   0.15,-104.24) (  -0.72,-100.36)  441.69                80
 04/30/2021   20:28:56   (  -0.15,-104.30) (  -0.43,-105.67)  155.66                80
 05/01/2021   20:07:31   (  -0.16,-104.29) (   0.57,-101.13)  359.94                80
 05/03/2021   08:29:17   (   0.15,-104.20) (   0.63,-106.39)  249.50                80
 05/04/2021   08:13:11   (   0.16,-104.21) (  -0.37,-101.86)  267.75                80
 05/05/2021   20:35:08   (  -0.15,-104.30) (  -0.78,-107.16)  326.45                80