Simultaneous Nadir Overpasses (SNOs) between NPP and LANDSAT-9
TLE Epoch: 2023 9 8.  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)
 09/08/2023   05:42:58   ( -70.60, -89.86) 09/08/2023   05:44:09  ( -70.51, -89.01)   33.14                71
 09/08/2023   06:33:36   (  70.17,  78.12) 09/08/2023   06:33:40  (  70.19,  78.18)    2.88                 4
 09/08/2023   07:24:18   ( -70.08,-114.42) 09/08/2023   07:23:10  ( -70.08,-114.35)    2.66                68
 09/10/2023   21:59:44   ( -70.23,  26.49) 09/10/2023   22:00:45  ( -70.22,  26.45)    2.36                61
 09/10/2023   22:50:28   (  70.13,-166.03) 09/10/2023   22:50:12  (  70.12,-166.05)    1.33                16
 09/10/2023   23:41:00   ( -69.50,   2.21) 09/10/2023   23:39:50  ( -69.57,   0.81)   54.72                70
 09/13/2023   14:16:36   ( -70.19, 142.34) 09/13/2023   14:17:16  ( -70.18, 142.27)    2.92                40
 09/13/2023   15:07:19   (  70.09, -50.20) 09/13/2023   15:06:42  (  70.07, -50.24)    2.37                37
 09/16/2023   05:42:57   (  70.89,  89.68) 09/16/2023   05:44:05  (  70.82,  91.46)   65.62                68
 09/16/2023   06:33:27   ( -70.15,-101.83) 09/16/2023   06:33:45  ( -70.16,-101.87)    1.90                18
 09/16/2023   07:24:11   (  70.05,  65.63) 09/16/2023   07:23:12  (  70.05,  65.62)    0.44                59
 09/18/2023   21:59:37   (  70.23,-153.49) 09/18/2023   22:00:45  (  70.23,-153.53)    1.54                68
 09/18/2023   22:50:19   ( -70.12,  13.99) 09/18/2023   22:50:15  ( -70.12,  13.96)    1.20                 4
 09/18/2023   23:40:58   (  69.76,-178.16) 09/18/2023   23:39:46  (  69.79,-178.87)   27.45                72
 09/21/2023   14:16:29   (  70.21, -37.69) 09/21/2023   14:17:14  (  70.21, -37.67)    0.78                45
 09/21/2023   15:07:11   ( -70.10, 129.80) 09/21/2023   15:06:44  ( -70.11, 129.82)    1.69                27