Simultaneous Nadir Overpasses (SNOs) between NPP and LANDSAT-9
TLE Epoch: 2025 7 17.  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)
 07/19/2025   04:53:15   ( -70.92, -77.82) 07/19/2025   04:54:24  ( -70.84, -76.12)   62.55                69
 07/19/2025   05:43:49   (  70.25,  90.56) 07/19/2025   05:44:00  (  70.24,  90.64)    3.16                11
 07/19/2025   06:34:30   ( -70.14,-101.93) 07/19/2025   06:33:30  ( -70.14,-101.88)    2.05                60
 07/21/2025   21:09:59   ( -70.31,  38.94) 07/21/2025   21:11:04  ( -70.33,  38.99)    2.40                65
 07/21/2025   22:00:43   (  70.18,-153.54) 07/21/2025   22:00:32  (  70.16,-153.60)    2.72                11
 07/21/2025   22:51:18   ( -69.74,  14.44) 07/21/2025   22:50:07  ( -69.79,  13.50)   36.49                71
 07/24/2025   13:26:54   ( -70.29, 154.75) 07/24/2025   13:27:35  ( -70.29, 154.82)    2.47                41
 07/24/2025   14:17:38   (  70.16, -37.73) 07/24/2025   14:17:02  (  70.18, -37.70)    2.58                36
 07/27/2025   04:53:18   (  70.92, 102.19) 07/27/2025   04:54:27  (  70.83, 103.87)   62.10                69
 07/27/2025   05:43:48   ( -70.22, -89.36) 07/27/2025   05:44:06  ( -70.24, -89.38)    1.79                18
 07/27/2025   06:34:32   (  70.14,  78.08) 07/27/2025   06:33:32  (  70.12,  78.10)    2.24                60
 07/29/2025   21:10:01   (  70.33,-141.07) 07/29/2025   21:11:05  (  70.32,-141.01)    2.79                64
 07/29/2025   22:00:42   ( -70.21,  26.44) 07/29/2025   22:00:35  ( -70.22,  26.49)    2.37                 7
 07/29/2025   22:51:19   (  69.70,-165.49) 07/29/2025   22:50:08  (  69.77,-166.50)   39.97                71