Simultaneous Nadir Overpasses (SNOs) between NPP and LANDSAT-9
TLE Epoch: 2025 7 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)
 07/21/2025   21:09:59   ( -70.33,  38.92) 07/21/2025   21:11:04  ( -70.31,  38.97)    2.88                65
 07/21/2025   22:00:43   (  70.19,-153.55) 07/21/2025   22:00:31  (  70.20,-153.54)    2.08                12
 07/21/2025   22:51:18   ( -69.76,  14.42) 07/21/2025   22:50:06  ( -69.82,  13.56)   34.14                72
 07/24/2025   13:26:53   ( -70.25, 154.81) 07/24/2025   13:27:35  ( -70.27, 154.79)    1.98                42
 07/24/2025   14:17:38   (  70.17, -37.74) 07/24/2025   14:17:02  (  70.16, -37.72)    1.01                36
 07/27/2025   04:53:18   (  70.93, 102.17) 07/27/2025   04:54:27  (  70.81, 103.85)   62.49                69
 07/27/2025   05:43:48   ( -70.24, -89.38) 07/27/2025   05:44:06  ( -70.22, -89.41)    2.43                18
 07/27/2025   06:34:32   (  70.10,  78.14) 07/27/2025   06:33:33  (  70.10,  78.08)    2.50                59
 07/29/2025   21:10:00   (  70.29,-141.01) 07/29/2025   21:11:05  (  70.30,-141.03)    1.38                65
 07/29/2025   22:00:42   ( -70.22,  26.42) 07/29/2025   22:00:35  ( -70.20,  26.46)    2.73                 7
 07/29/2025   22:51:19   (  69.72,-165.50) 07/29/2025   22:50:08  (  69.76,-166.53)   39.73                71
 08/01/2025   13:26:55   (  70.29, -25.22) 08/01/2025   13:27:35  (  70.27, -25.20)    2.09                40
 08/01/2025   14:17:36   ( -70.16, 142.30) 08/01/2025   14:17:05  ( -70.17, 142.30)    1.15                31