Simultaneous Nadir Overpasses (SNOs) between GOES-17 and NPP
TLE Epoch: 2023 5 20.  Predictions up to the next  14.0 days:

     Date     Time(GOES-17)   GOES-17 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 05/20/2023   08:28:27   (   0.00,-104.73) (   0.08,-104.97)   27.99                80
 05/21/2023   08:07:02   (  -0.00,-104.72) (  -0.98,-100.45)  488.26                80
 05/22/2023   20:28:57   (   0.00,-104.72) (  -0.21,-105.75)  116.78                80
 05/23/2023   20:12:52   (   0.01,-104.72) (   0.80,-101.22)  399.64                80
 05/25/2023   08:34:38   (  -0.02,-104.73) (   0.40,-106.48)  200.62                80
 05/26/2023   08:13:13   (  -0.01,-104.72) (  -0.61,-101.95)  315.82                80
 05/27/2023   20:35:08   (   0.00,-104.72) (  -0.56,-107.25)  288.88                80
 05/28/2023   20:19:03   (  -0.00,-104.72) (   0.45,-102.72)  228.12                80
 05/30/2023   08:40:49   (  -0.00,-104.74) (   0.75,-107.99)  371.12                80
 05/31/2023   08:19:23   (  -0.00,-104.74) (  -0.27,-103.46)  145.42                80
 06/01/2023   20:41:19   (   0.01,-104.73) (  -0.90,-108.76)  460.27                80
 06/02/2023   20:25:13   (   0.02,-104.73) (   0.12,-104.23)   56.30                80