Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NPP
TLE Epoch: 2023 6 19.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 06/19/2023   12:26:16   (  -0.12,-162.89) (   0.36,-165.13)  255.09                80
 06/20/2023   12:10:11   (  -0.10,-163.28) (  -0.67,-160.60)  304.28                80
 06/22/2023   00:29:28   (   0.14,-163.87) (  -0.34,-165.94)  236.07                80
 06/23/2023   00:13:24   (   0.11,-164.26) (   0.75,-161.42)  323.18                80
 06/24/2023   12:32:32   (  -0.15,-164.85) (   0.28,-166.72)  213.99                80
 06/25/2023   12:16:28   (  -0.13,-165.23) (  -0.81,-162.20)  344.90                80
 06/27/2023   00:35:45   (   0.16,-165.81) (  -0.19,-167.54)  196.45                80
 06/28/2023   00:19:39   (   0.14,-166.19) (   0.85,-163.02)  362.06                80
 06/29/2023   12:38:48   (  -0.18,-166.77) (   0.18,-168.31)  176.49                80
 06/30/2023   12:22:43   (  -0.16,-167.14) (  -0.92,-163.80)  381.21                80
 07/02/2023   00:42:00   (   0.20,-167.71) (  -0.14,-169.13)  162.26                80
 07/03/2023   00:25:55   (   0.19,-168.08) (   0.97,-164.61)  394.86                80