Simultaneous Nadir Overpasses (SNOs) between GOES-14 and NPP
TLE Epoch: 2021 8 30.  Predictions up to the next  14.0 days:

     Date     Time(GOES-14)   GOES-14 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 08/31/2021   20:24:04   (  -0.41,-104.33) (  -0.43,-104.33)    2.38                80
 09/03/2021   08:27:08   (   0.40,-104.17) (   0.61,-105.07)  102.45                80
 09/04/2021   08:05:44   (   0.39,-104.15) (  -0.39,-100.53)  412.04                80
 09/05/2021   20:27:42   (  -0.39,-104.29) (  -0.73,-105.85)  177.68                80
 09/06/2021   20:11:38   (  -0.39,-104.29) (   0.27,-101.32)  339.17                80
 09/08/2021   08:33:26   (   0.39,-104.17) (   0.90,-106.59)  275.29                80
 09/09/2021   08:12:02   (   0.39,-104.15) (  -0.09,-102.05)  239.42                80
 09/10/2021   20:33:59   (  -0.39,-104.25) (  -1.08,-107.36)  354.05                80
 09/11/2021   20:17:54   (  -0.39,-104.26) (  -0.07,-102.83)  162.76                80