Simultaneous Nadir Overpasses (SNOs) between NPP and LANDSAT-9
TLE Epoch: 2023 9 9.  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)
 09/10/2023   21:59:44   ( -70.24,  26.48) 09/10/2023   22:00:45  ( -70.22,  26.44)    2.98                61
 09/10/2023   22:50:28   (  70.13,-166.04) 09/10/2023   22:50:12  (  70.12,-166.06)    1.83                16
 09/10/2023   23:41:00   ( -69.51,   2.20) 09/10/2023   23:39:50  ( -69.56,   0.81)   54.38                70
 09/13/2023   14:16:36   ( -70.20, 142.32) 09/13/2023   14:17:16  ( -70.18, 142.27)    3.04                40
 09/13/2023   15:07:20   (  70.09, -50.21) 09/13/2023   15:06:43  (  70.07, -50.24)    2.54                37
 09/16/2023   05:42:57   (  70.90,  89.66) 09/16/2023   05:44:05  (  70.82,  91.47)   66.46                68
 09/16/2023   06:33:27   ( -70.16,-101.85) 09/16/2023   06:33:45  ( -70.17,-101.87)    0.87                18
 09/16/2023   07:24:11   (  70.06,  65.61) 09/16/2023   07:23:12  (  70.06,  65.62)    0.53                59
 09/18/2023   21:59:37   (  70.24,-153.51) 09/18/2023   22:00:45  (  70.23,-153.52)    0.82                68
 09/18/2023   22:50:19   ( -70.14,  13.97) 09/18/2023   22:50:15  ( -70.13,  13.97)    0.47                 4
 09/18/2023   23:40:58   (  69.77,-178.18) 09/18/2023   23:39:46  (  69.80,-178.86)   26.24                72
 09/21/2023   14:16:29   (  70.23, -37.71) 09/21/2023   14:17:14  (  70.23, -37.65)    2.41                45
 09/21/2023   15:07:11   ( -70.12, 129.77) 09/21/2023   15:06:44  ( -70.13, 129.84)    2.80                27