Simultaneous Nadir Overpasses (SNOs) between GOES-17 and NPP
TLE Epoch: 2023 4 16.  Predictions up to the next  14.0 days:

     Date     Time(GOES-17)   GOES-17 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 04/18/2023   08:28:59   (   0.00,-104.73) (   0.09,-105.00)   32.46                80
 04/19/2023   08:07:33   (   0.00,-104.73) (  -0.93,-100.47)  484.31                80
 04/20/2023   20:29:28   (  -0.00,-104.74) (  -0.24,-105.78)  119.08                80
 04/21/2023   20:13:23   (   0.00,-104.74) (   0.79,-101.25)  397.82                80
 04/23/2023   08:35:08   (   0.00,-104.74) (   0.43,-106.51)  202.66                80
 04/24/2023   08:13:43   (   0.00,-104.74) (  -0.60,-101.98)  313.95                80
 04/25/2023   20:35:37   (  -0.02,-104.74) (  -0.61,-107.28)  289.69                80
 04/26/2023   20:19:32   (  -0.02,-104.74) (   0.43,-102.75)  227.41                80
 04/28/2023   08:41:17   (   0.03,-104.75) (   0.78,-108.01)  372.31                80
 04/29/2023   08:19:51   (   0.03,-104.75) (  -0.26,-103.48)  144.57                80