Simultaneous Nadir Overpasses (SNOs) between GOES-14 and NPP
TLE Epoch: 2021 12 26.  Predictions up to the next  14.0 days:

     Date     Time(GOES-14)   GOES-14 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 12/26/2021   20:28:07   (  -0.00,-104.20) (  -0.36,-105.92)  194.94                80
 12/27/2021   20:12:01   (  -0.01,-104.21) (   0.62,-101.38)  322.85                80
 12/29/2021   08:33:48   (  -0.01,-104.54) (   0.46,-106.66)  241.12                80
 12/30/2021   08:12:22   (   0.01,-104.54) (  -0.53,-102.12)  275.81                80
 12/31/2021   20:34:15   (   0.01,-104.21) (  -0.73,-107.40)  364.43                80
 01/01/2022   20:18:09   (  -0.00,-104.21) (   0.32,-102.87)  152.86                80
 01/03/2022   08:38:50   (  -0.01,-104.55) (   0.82,-108.15)  410.65                14
 01/04/2022   08:18:30   (   0.00,-104.54) (  -0.23,-103.62)  106.24                80
 01/06/2022   20:21:37   (   0.01,-104.21) (  -0.03,-104.36)   17.11                80