Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NPP
TLE Epoch: 2023 1 2.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 01/02/2023   09:56:44   (   0.00,-127.82) (  -0.11,-127.28)   61.10                80
 01/04/2023   21:59:59   (  -0.01,-127.82) (  -0.05,-128.06)   27.84                80
 01/05/2023   21:38:35   (  -0.01,-127.84) (   0.98,-123.54)  491.23                80
 01/07/2023   10:00:24   (   0.01,-127.95) (   0.19,-128.81)   97.52                80
 01/08/2023   09:44:21   (   0.01,-127.98) (  -0.83,-124.28)  421.43                80
 01/09/2023   22:06:18   (  -0.01,-127.94) (  -0.39,-129.58)  187.25                80
 01/10/2023   21:44:55   (  -0.01,-127.96) (   0.64,-125.05)  331.35                80
 01/12/2023   10:06:44   (   0.01,-128.06) (   0.53,-130.33)  258.19                80
 01/13/2023   09:50:41   (   0.01,-128.08) (  -0.50,-125.80)  260.43                80
 01/14/2023   22:12:38   (  -0.00,-128.05) (  -0.70,-131.10)  348.42                80
 01/15/2023   21:51:14   (  -0.01,-128.06) (   0.33,-126.57)  169.60                80