Simultaneous Nadir Overpasses (SNOs) between GOES-17 and NPP
TLE Epoch: 2023 4 22.  Predictions up to the next  14.0 days:

     Date     Time(GOES-17)   GOES-17 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 04/23/2023   08:35:09   (  -0.00,-104.74) (   0.40,-106.51)  202.55                80
 04/24/2023   08:13:43   (  -0.00,-104.74) (  -0.63,-101.98)  313.89                80
 04/25/2023   20:35:37   (   0.00,-104.74) (  -0.58,-107.28)  290.41                80
 04/26/2023   20:19:32   (   0.00,-104.74) (   0.45,-102.75)  226.41                80
 04/28/2023   08:41:17   (  -0.00,-104.74) (   0.75,-108.01)  373.42                80
 04/29/2023   08:19:52   (  -0.00,-104.74) (  -0.29,-103.48)  143.28                80
 04/30/2023   20:41:46   (   0.00,-104.74) (  -0.91,-108.78)  461.04                80
 05/01/2023   20:25:41   (   0.00,-104.74) (   0.13,-104.25)   56.11                80
 05/04/2023   08:28:40   (  -0.00,-104.75) (   0.02,-104.99)   26.17                80
 05/05/2023   08:07:14   (   0.00,-104.75) (  -0.96,-100.45)  490.76                80
 05/06/2023   20:29:08   (  -0.00,-104.75) (  -0.22,-105.75)  113.91                80