Simultaneous Nadir Overpasses (SNOs) between NPP and LANDSAT-9
TLE Epoch: 2025 2 20.  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)
 02/22/2025   14:16:22   ( -70.18, 142.14) 02/22/2025   14:17:20  ( -70.17, 142.19)    1.94                58
 02/22/2025   15:07:06   (  70.06, -50.37) 02/22/2025   15:06:47  (  70.06, -50.31)    2.14                19
 02/22/2025   15:57:36   ( -69.34, 118.01) 02/22/2025   15:56:27  ( -69.40, 116.41)   63.17                69
 02/25/2025   06:33:14   ( -70.11,-101.97) 02/25/2025   06:33:47  ( -70.13,-101.97)    2.39                33
 02/25/2025   07:23:58   (  70.00,  65.51) 02/25/2025   07:23:14  (  70.02,  65.52)    3.25                44
 02/27/2025   21:59:29   (  70.41,-153.98) 02/27/2025   22:00:41  (  70.32,-153.44)   22.33                72
 02/27/2025   22:50:07   ( -70.12,  13.81) 02/27/2025   22:50:13  ( -70.10,  13.88)    3.01                 6
 02/27/2025   23:40:51   (  70.00,-178.71) 02/27/2025   23:39:40  (  69.99,-178.64)    2.83                71
 03/02/2025   14:16:16   (  70.17, -37.80) 03/02/2025   14:17:07  (  70.18, -37.75)    2.47                51
 03/02/2025   15:06:57   ( -70.03, 129.73) 03/02/2025   15:06:38  ( -70.02, 129.65)    3.10                19
 03/02/2025   15:57:25   (  69.06, -61.56) 03/02/2025   15:56:19  (  69.13, -63.90)   93.50                66
 03/05/2025   06:33:07   (  70.09,  78.10) 03/05/2025   06:33:32  (  70.10,  78.03)    2.76                25
 03/05/2025   07:23:49   ( -70.01,-114.45) 03/05/2025   07:23:02  ( -69.99,-114.49)    2.11                47