Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NPP
TLE Epoch: 2023 2 13.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 02/13/2023   10:06:57   (   0.06,-128.25) (   0.52,-130.28)  231.55                80
 02/14/2023   09:50:53   (   0.07,-128.24) (  -0.50,-125.75)  284.33                80
 02/15/2023   22:12:48   (  -0.07,-128.22) (  -0.73,-131.04)  322.07                80
 02/16/2023   21:51:23   (  -0.08,-128.20) (   0.30,-126.51)  193.06                80
 02/18/2023   10:13:11   (   0.08,-128.18) (   0.89,-131.77)  408.57                80
 02/19/2023   09:57:06   (   0.09,-128.17) (  -0.15,-127.24)  106.71                80
 02/20/2023   22:19:01   (  -0.09,-128.14) (  -1.07,-132.53)  499.71                80
 02/21/2023   21:57:36   (  -0.09,-128.12) (  -0.08,-127.99)   15.48                80
 02/24/2023   10:00:39   (   0.09,-128.09) (   0.21,-128.72)   71.79                80
 02/25/2023   09:44:33   (   0.09,-128.07) (  -0.78,-124.18)  443.34                80
 02/26/2023   22:06:29   (  -0.10,-128.04) (  -0.40,-129.47)  163.30                80