Simultaneous Nadir Overpasses (SNOs) between NPP and LANDSAT-9
TLE Epoch: 2025 6 21.  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)
 06/22/2025   13:26:46   ( -70.25, 154.74) 06/22/2025   13:27:23  ( -70.25, 154.76)    0.67                37
 06/22/2025   14:17:30   (  70.14, -37.79) 06/22/2025   14:16:50  (  70.15, -37.74)    1.92                40
 06/25/2025   04:53:07   (  70.75, 102.39) 06/25/2025   04:54:17  (  70.66, 103.61)   45.84                70
 06/25/2025   05:43:41   ( -70.23, -89.46) 06/25/2025   05:43:53  ( -70.22, -89.41)    2.20                12
 06/25/2025   06:34:25   (  70.13,  78.02) 06/25/2025   06:33:20  (  70.12,  78.09)    2.81                65
 06/27/2025   21:09:54   (  70.27,-141.05) 06/27/2025   21:10:54  (  70.29,-141.07)    2.35                60
 06/27/2025   22:00:36   ( -70.17,  26.42) 06/27/2025   22:00:24  ( -70.18,  26.41)    1.57                12
 06/27/2025   22:51:10   (  69.53,-165.31) 06/27/2025   22:50:00  (  69.58,-166.79)   57.47                70
 06/30/2025   13:26:50   (  70.26, -25.26) 06/30/2025   13:27:25  (  70.23, -25.28)    3.45                35
 06/30/2025   14:17:31   ( -70.11, 142.29) 06/30/2025   14:16:55  ( -70.12, 142.21)    3.70                36
 07/03/2025   04:53:11   ( -70.83, -77.71) 07/03/2025   04:54:21  ( -70.70, -76.33)   52.54                70
 07/03/2025   05:43:45   (  70.20,  90.61) 07/03/2025   05:43:55  (  70.21,  90.58)    1.54                10
 07/03/2025   06:34:27   ( -70.10,-101.92) 07/03/2025   06:33:25  ( -70.11,-101.93)    0.85                62