Simultaneous Nadir Overpasses (SNOs) between GOES-14 and NPP
TLE Epoch: 2020 1 21.  Predictions up to the next  14.0 days:

     Date     Time(GOES-14)   GOES-14 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 01/21/2020   08:04:33   (   0.00,-104.31) (  -0.89,-100.42)  443.93                80
 01/22/2020   20:26:26   (  -0.01,-104.06) (  -0.40,-105.70)  187.13                80
 01/23/2020   20:10:21   (  -0.01,-104.06) (   0.62,-101.16)  329.87                80
 01/25/2020   08:29:28   (   0.01,-104.31) (   0.52,-106.44)  242.72                80
 01/26/2020   08:13:22   (   0.01,-104.32) (  -0.50,-101.90)  274.33                80
 01/27/2020   20:35:17   (  -0.01,-104.07) (  -0.72,-107.19)  356.30                80
 01/28/2020   20:13:51   (  -0.01,-104.07) (   0.29,-102.66)  160.78                80
 01/30/2020   08:35:40   (   0.01,-104.33) (   0.79,-107.95)  411.56                80
 01/31/2020   08:19:34   (   0.00,-104.34) (  -0.23,-103.41)  105.83                80
 02/02/2020   20:22:42   (  -0.00,-104.10) (  -0.03,-104.16)    7.46                80