Simultaneous Nadir Overpasses (SNOs) between GOES-14 and NPP
TLE Epoch: 2021 12 27.  Predictions up to the next  14.0 days:

     Date     Time(GOES-14)   GOES-14 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 12/27/2021   20:12:01   (  -0.01,-104.21) (   0.61,-101.37)  323.04                80
 12/29/2021   08:33:48   (  -0.00,-104.54) (   0.47,-106.66)  240.99                80
 12/30/2021   08:12:21   (   0.01,-104.54) (  -0.51,-102.12)  276.01                80
 12/31/2021   20:34:16   (   0.00,-104.21) (  -0.68,-107.41)  364.01                80
 01/01/2022   20:18:09   (  -0.00,-104.21) (   0.30,-102.87)  153.33                80
 01/03/2022   08:39:56   (  -0.01,-104.55) (   0.77,-108.16)  410.25                80
 01/04/2022   08:18:30   (   0.00,-104.55) (  -0.21,-103.61)  106.68                80
 01/06/2022   20:21:37   (   0.00,-104.22) (  -0.05,-104.36)   16.50                80
 01/09/2022   08:24:38   (  -0.01,-104.57) (   0.13,-105.10)   61.00                80