Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NPP
TLE Epoch: 2023 4 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)
 04/22/2023   10:33:07   (   0.15,-137.13) (   0.05,-136.72)   46.75                80
 04/23/2023   22:57:44   (  -0.13,-137.84) (  -1.09,-142.06)  481.53                80
 04/24/2023   22:36:20   (  -0.15,-138.32) (  -0.00,-137.54)   87.37                80
 04/26/2023   11:00:49   (   0.13,-139.08) (   0.97,-142.86)  430.11                80
 04/27/2023   10:39:25   (   0.15,-139.56) (  -0.12,-138.34)  138.44                80
 04/28/2023   23:04:02   (  -0.13,-140.25) (  -0.90,-143.68)  390.73                80
 04/29/2023   22:42:38   (  -0.15,-140.72) (   0.19,-139.16)  177.74                80
 05/01/2023   11:07:07   (   0.13,-141.48) (   0.77,-144.48)  340.39                80
 05/02/2023   10:45:43   (   0.14,-141.95) (  -0.33,-139.96)  227.75                80
 05/03/2023   23:10:19   (  -0.12,-142.64) (  -0.74,-145.29)  302.50                80
 05/04/2023   22:48:54   (  -0.13,-143.11) (   0.37,-140.78)  265.20                80