Simultaneous Nadir Overpasses (SNOs) between GOES-14 and NPP
TLE Epoch: 2021 3 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)
 03/21/2021   08:35:53   (   0.10,-104.40) (   0.89,-108.02)  411.45                80
 03/22/2021   08:19:47   (   0.10,-104.41) (  -0.10,-103.48)  105.23                80
 03/24/2021   20:20:18   (  -0.11,-104.30) (  -0.08,-104.25)    6.45                80
 03/27/2021   08:23:20   (   0.12,-104.37) (   0.28,-104.98)   69.67                80
 03/28/2021   08:07:16   (   0.11,-104.37) (  -0.76,-100.45)  447.08                80
 03/29/2021   20:29:11   (  -0.12,-104.29) (  -0.45,-105.74)  165.77                80
 03/30/2021   20:07:47   (  -0.11,-104.28) (   0.59,-101.22)  349.22                80
 04/01/2021   08:29:34   (   0.12,-104.33) (   0.58,-106.49)  244.86                80
 04/02/2021   08:13:28   (   0.12,-104.33) (  -0.40,-101.95)  271.65                80
 04/03/2021   20:35:24   (  -0.13,-104.27) (  -0.81,-107.24)  338.85                80