Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NPP
TLE Epoch: 2023 1 29.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 01/29/2023   09:50:50   (   0.03,-128.28) (  -0.55,-125.80)  283.84                80
 01/30/2023   22:12:47   (  -0.04,-128.25) (  -0.68,-131.09)  323.46                80
 01/31/2023   21:51:22   (  -0.04,-128.26) (   0.33,-126.56)  193.35                80
 02/02/2023   10:13:11   (   0.05,-128.29) (   0.85,-131.82)  402.56                80
 02/03/2023   09:57:06   (   0.05,-128.30) (  -0.16,-127.29)  114.27                80
 02/04/2023   22:19:02   (  -0.05,-128.26) (  -1.05,-132.58)  493.31                80
 02/05/2023   21:57:39   (  -0.05,-128.26) (   0.02,-128.06)   23.19                80
 02/08/2023   10:00:43   (   0.05,-128.29) (   0.14,-128.80)   57.52                80
 02/09/2023   09:44:38   (   0.05,-128.29) (  -0.87,-124.26)  458.99                80
 02/10/2023   22:06:35   (  -0.05,-128.25) (  -0.32,-129.56)  148.98                80
 02/11/2023   21:45:10   (  -0.05,-128.24) (   0.69,-125.03)  366.86                80