Simultaneous Nadir Overpasses (SNOs) between GOES-17 and NPP
TLE Epoch: 2023 12 4.  Predictions up to the next  14.0 days:

     Date     Time(GOES-17)   GOES-17 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 12/04/2023   08:11:59   (  -0.01,-104.67) (  -0.58,-102.04)  298.69                80
 12/05/2023   20:33:55   (   0.01,-104.64) (  -0.62,-107.34)  308.38                80
 12/06/2023   20:17:50   (   0.02,-104.64) (   0.45,-102.82)  208.39                80
 12/08/2023   08:39:37   (  -0.01,-104.67) (   0.73,-108.08)  388.64                80
 12/09/2023   08:18:11   (  -0.01,-104.67) (  -0.28,-103.55)  127.98                80
 12/10/2023   20:40:05   (  -0.01,-104.64) (  -0.95,-108.84)  479.00                80
 12/11/2023   20:24:00   (  -0.01,-104.63) (   0.07,-104.31)   37.60                80
 12/14/2023   08:27:01   (   0.01,-104.65) (   0.08,-105.04)   43.86                80
 12/15/2023   08:05:35   (   0.00,-104.64) (  -0.94,-100.51)  471.96                80
 12/16/2023   20:27:30   (   0.00,-104.60) (  -0.27,-105.80)  136.30                80
 12/17/2023   20:11:24   (   0.01,-104.60) (   0.76,-101.27)  379.94                80