Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NPP
TLE Epoch: 2023 6 20.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 06/20/2023   12:10:12   (  -0.10,-163.27) (  -0.72,-160.61)  304.21                80
 06/22/2023   00:29:28   (   0.14,-163.87) (  -0.35,-165.94)  236.17                80
 06/23/2023   00:13:24   (   0.11,-164.26) (   0.74,-161.42)  323.06                80
 06/24/2023   12:32:32   (  -0.15,-164.84) (   0.29,-166.72)  214.20                80
 06/25/2023   12:16:27   (  -0.13,-165.23) (  -0.81,-162.20)  344.66                80
 06/27/2023   00:35:45   (   0.16,-165.81) (  -0.20,-167.54)  196.71                80
 06/28/2023   00:19:39   (   0.14,-166.19) (   0.84,-163.01)  361.77                80
 06/29/2023   12:38:48   (  -0.18,-166.77) (   0.19,-168.31)  176.87                80
 06/30/2023   12:22:43   (  -0.16,-167.14) (  -0.92,-163.80)  380.80                80
 07/02/2023   00:41:59   (   0.20,-167.70) (  -0.14,-169.13)  162.70                80
 07/03/2023   00:25:55   (   0.19,-168.07) (   0.97,-164.61)  394.40                80