Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NPP
TLE Epoch: 2023 5 11.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 05/11/2023   11:19:43   (   0.09,-146.17) (   0.42,-147.71)  175.28                80
 05/12/2023   10:58:18   (   0.12,-146.62) (  -0.63,-143.18)  390.71                80
 05/13/2023   23:22:58   (  -0.09,-147.30) (  -0.34,-148.54)  140.85                80
 05/14/2023   23:01:33   (  -0.11,-147.75) (   0.71,-144.02)  425.21                80
 05/16/2023   11:26:03   (   0.08,-148.46) (   0.26,-149.33)   98.94                80
 05/17/2023   11:04:39   (   0.10,-148.91) (  -0.80,-144.81)  466.58                80
 05/18/2023   23:29:17   (  -0.07,-149.58) (  -0.21,-150.16)   66.20                80
 05/19/2023   23:07:54   (  -0.09,-150.02) (   0.91,-145.65)  499.02                80
 05/21/2023   11:32:23   (   0.05,-150.72) (   0.11,-150.95)   26.48                80
 05/23/2023   23:33:54   (  -0.05,-151.81) (  -0.04,-151.78)    4.00                23