Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NPP
TLE Epoch: 2023 6 21.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 06/22/2023   00:29:29   (   0.14,-163.87) (  -0.32,-165.94)  236.13                80
 06/23/2023   00:13:24   (   0.11,-164.26) (   0.77,-161.43)  323.08                80
 06/24/2023   12:32:32   (  -0.15,-164.84) (   0.26,-166.72)  214.31                80
 06/25/2023   12:16:27   (  -0.13,-165.22) (  -0.78,-162.20)  344.52                80
 06/27/2023   00:35:44   (   0.16,-165.81) (  -0.23,-167.54)  196.78                80
 06/28/2023   00:19:40   (   0.14,-166.19) (   0.87,-163.02)  361.66                80
 06/29/2023   12:38:48   (  -0.18,-166.76) (   0.16,-168.32)  177.08                80
 06/30/2023   12:22:43   (  -0.16,-167.14) (  -0.89,-163.79)  380.56                80
 07/02/2023   00:42:00   (   0.20,-167.70) (  -0.11,-169.13)  162.89                80
 07/03/2023   00:25:54   (   0.19,-168.07) (   0.94,-164.61)  394.17                80
 07/04/2023   12:45:03   (  -0.22,-168.63) (   0.08,-169.91)  146.39                80