Simultaneous Nadir Overpasses (SNOs) between GOES-17 and NPP
TLE Epoch: 2023 9 1.  Predictions up to the next  14.0 days:

     Date     Time(GOES-17)   GOES-17 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 09/01/2023   20:18:34   (   0.00,-104.69) (   0.40,-102.84)  210.11                80
 09/03/2023   08:40:21   (  -0.00,-104.72) (   0.73,-108.12)  387.10                80
 09/04/2023   08:18:55   (  -0.00,-104.72) (  -0.27,-103.58)  129.49                80
 09/05/2023   20:40:51   (  -0.00,-104.69) (  -0.91,-108.89)  477.83                80
 09/06/2023   20:24:45   (  -0.00,-104.69) (   0.10,-104.35)   39.06                80
 09/09/2023   08:27:46   (   0.01,-104.72) (   0.08,-105.09)   41.19                80
 09/10/2023   08:06:21   (   0.01,-104.72) (  -0.93,-100.56)  475.45                80
 09/11/2023   20:28:15   (  -0.02,-104.70) (  -0.30,-105.85)  131.72                80
 09/12/2023   20:12:09   (  -0.02,-104.70) (   0.72,-101.32)  385.39                80
 09/14/2023   08:33:56   (   0.02,-104.74) (   0.46,-106.58)  210.71                80