Simultaneous Nadir Overpasses (SNOs) between NPP and LANDSAT-9
TLE Epoch: 2023 9 12.  Predictions up to the next  14.0 days:

     Date     Time(NPP) NPP Lat/Lon Date Time(LANDSAT-9) LANDSAT-9 Lat/Lon    Distance(km)  Time Diff(sec)
 09/13/2023   14:16:36   ( -70.21, 142.31) 09/13/2023   14:17:15  ( -70.22, 142.33)    1.94                39
 09/13/2023   15:07:20   (  70.10, -50.22) 09/13/2023   15:06:42  (  70.12, -50.17)    3.15                38
 09/16/2023   05:42:58   (  70.90,  89.66) 09/16/2023   05:44:06  (  70.81,  91.45)   66.32                68
 09/16/2023   06:33:28   ( -70.17,-101.86) 09/16/2023   06:33:46  ( -70.15,-101.89)    2.50                18
 09/16/2023   07:24:11   (  70.07,  65.61) 09/16/2023   07:23:12  (  70.05,  65.60)    2.35                59
 09/18/2023   21:59:37   (  70.25,-153.52) 09/18/2023   22:00:44  (  70.27,-153.47)    2.78                67
 09/18/2023   22:50:19   ( -70.15,  13.95) 09/18/2023   22:50:14  ( -70.16,  14.01)    2.53                 5
 09/18/2023   23:40:57   (  69.73,-178.11) 09/18/2023   23:39:46  (  69.78,-178.89)   30.60                71
 09/21/2023   14:16:28   (  70.18, -37.64) 09/21/2023   14:17:14  (  70.19, -37.70)    2.50                46
 09/21/2023   15:07:10   ( -70.08, 129.84) 09/21/2023   15:06:44  ( -70.08, 129.78)    2.25                26
 09/24/2023   06:33:20   (  70.17,  78.15) 09/24/2023   06:33:42  (  70.19,  78.19)    2.24                22
 09/24/2023   07:24:02   ( -70.07,-114.37) 09/24/2023   07:23:12  ( -70.09,-114.32)    2.96                50