Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NPP
TLE Epoch: 2023 2 7.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 02/08/2023   10:00:42   (   0.06,-128.28) (   0.17,-128.79)   58.28                80
 02/09/2023   09:44:38   (   0.06,-128.28) (  -0.84,-124.26)  458.05                80
 02/10/2023   22:06:34   (  -0.06,-128.24) (  -0.35,-129.55)  149.18                80
 02/11/2023   21:45:10   (  -0.06,-128.24) (   0.66,-125.02)  366.55                80
 02/13/2023   10:06:57   (   0.06,-128.24) (   0.55,-130.28)  232.63                80
 02/14/2023   09:50:52   (   0.07,-128.23) (  -0.47,-125.75)  282.89                80
 02/15/2023   22:12:49   (  -0.07,-128.19) (  -0.72,-131.04)  325.38                80
 02/16/2023   21:51:24   (  -0.08,-128.17) (   0.31,-126.51)  189.34                80
 02/18/2023   10:13:11   (   0.08,-128.16) (   0.90,-131.77)  411.76                80
 02/19/2023   09:57:07   (   0.09,-128.14) (  -0.13,-127.24)  103.06                80