Simultaneous Nadir Overpasses (SNOs) between GOES-14 and NPP
TLE Epoch: 2020 1 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)
 01/17/2020   20:20:16   (   0.01,-104.05) (  -0.03,-104.21)   17.44                80
 01/18/2020   20:04:11   (   0.00,-104.06) (   0.99, -99.67)  499.70                80
 01/20/2020   08:25:11   (  -0.00,-104.31) (   0.15,-104.95)   72.51                33
 01/21/2020   08:04:32   (   0.01,-104.31) (  -0.87,-100.41)  444.46                80
 01/22/2020   20:26:27   (  -0.01,-104.06) (  -0.36,-105.70)  186.75                80
 01/23/2020   20:10:21   (  -0.01,-104.07) (   0.65,-101.17)  330.38                80
 01/25/2020   08:29:29   (   0.01,-104.32) (   0.48,-106.45)  241.59                80
 01/26/2020   08:10:43   (   0.01,-104.33) (  -0.53,-101.91)  275.54                80
 01/27/2020   20:35:17   (  -0.01,-104.08) (  -0.68,-107.20)  355.28                80
 01/28/2020   20:13:52   (  -0.00,-104.09) (   0.33,-102.67)  161.97                80
 01/30/2020   08:35:39   (   0.00,-104.35) (   0.80,-107.94)  409.67                80
 01/31/2020   08:19:34   (   0.00,-104.36) (  -0.21,-103.41)  107.82                80