Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NPP
TLE Epoch: 2022 12 22.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 12/22/2022   10:00:04   (   0.01,-127.44) (   0.33,-128.75)  149.56                80
 12/23/2022   09:44:02   (   0.02,-127.48) (  -0.74,-124.23)  370.71                80
 12/24/2022   22:03:20   (  -0.01,-127.45) (  -0.45,-129.54)  237.53                80
 12/25/2022   21:47:17   (  -0.01,-127.48) (   0.56,-125.01)  282.30                80
 12/27/2022   10:06:26   (   0.00,-127.61) (   0.62,-130.28)  304.53                80
 12/28/2022   09:50:22   (   0.00,-127.65) (  -0.39,-125.75)  215.46                80
 12/29/2022   22:12:21   (   0.01,-127.62) (  -0.79,-131.06)  392.55                80
 12/30/2022   21:50:57   (   0.00,-127.65) (   0.23,-126.53)  127.25                80
 01/01/2023   10:12:48   (  -0.01,-127.78) (   0.90,-131.81)  460.03                80
 01/02/2023   09:56:44   (  -0.00,-127.81) (  -0.12,-127.29)   59.68                80
 01/04/2023   21:59:58   (  -0.00,-127.81) (  -0.09,-128.06)   29.51                80