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

     Date     Time(GOES-14)   GOES-14 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 12/14/2021   08:12:40   (   0.03,-104.49) (  -0.46,-102.16)  264.57                80
 12/15/2021   20:34:35   (  -0.01,-104.19) (  -0.75,-107.46)  373.12                80
 12/16/2021   20:18:29   (  -0.03,-104.19) (   0.28,-102.93)  144.77                80
 12/18/2021   08:40:17   (   0.01,-104.52) (   0.81,-108.21)  420.26                80
 12/19/2021   08:18:50   (   0.02,-104.52) (  -0.16,-103.67)   96.49                80
 12/21/2021   20:21:58   (  -0.02,-104.20) (  -0.06,-104.42)   25.57                80
 12/22/2021   20:05:52   (  -0.02,-104.20) (   0.97, -99.89)  492.03                80
 12/24/2021   08:27:40   (   0.00,-104.53) (   0.12,-105.17)   72.44                80
 12/25/2021   08:06:13   (   0.01,-104.53) (  -0.86,-100.63)  444.41                80
 12/26/2021   20:28:07   (   0.00,-104.20) (  -0.40,-105.91)  195.71                80
 12/27/2021   20:12:01   (  -0.00,-104.21) (   0.64,-101.38)  321.91                80