Simultaneous Nadir Overpasses (SNOs) between GOES-14 and NPP
TLE Epoch: 2021 12 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)
 12/21/2021   20:21:57   (  -0.02,-104.19) (  -0.10,-104.41)   25.78                80
 12/22/2021   20:05:52   (  -0.03,-104.20) (   0.94, -99.88)  491.98                80
 12/24/2021   08:27:39   (   0.01,-104.52) (   0.15,-105.17)   73.19                80
 12/25/2021   08:06:13   (   0.02,-104.52) (  -0.83,-100.62)  443.52                80
 12/26/2021   20:28:07   (   0.00,-104.19) (  -0.37,-105.92)  196.02                80
 12/27/2021   20:12:01   (  -0.01,-104.20) (   0.61,-101.38)  321.58                80
 12/29/2021   08:33:48   (  -0.01,-104.54) (   0.47,-106.66)  241.98                80
 12/30/2021   08:12:21   (   0.00,-104.53) (  -0.51,-102.12)  274.76                80
 12/31/2021   20:34:15   (   0.01,-104.19) (  -0.74,-107.40)  366.50                80
 01/01/2022   20:18:09   (  -0.00,-104.19) (   0.31,-102.87)  150.60                80
 01/03/2022   08:39:56   (  -0.01,-104.53) (   0.77,-108.16)  412.49                80