Simultaneous Nadir Overpasses (SNOs) between NPP and LANDSAT-9
TLE Epoch: 2025 6 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)
 06/17/2025   04:53:04   ( -70.81, -77.71) 06/17/2025   04:54:14  ( -70.66, -76.39)   50.94                70
 06/17/2025   05:43:38   (  70.18,  90.60) 06/17/2025   05:43:48  (  70.19,  90.55)    2.11                10
 06/17/2025   06:34:20   ( -70.08,-101.92) 06/17/2025   06:33:18  ( -70.07,-101.98)    2.68                62
 06/19/2025   21:09:50   ( -70.26,  38.95) 06/19/2025   21:10:52  ( -70.28,  38.92)    2.59                62
 06/19/2025   22:00:34   (  70.16,-153.58) 06/19/2025   22:00:19  (  70.18,-153.58)    2.39                15
 06/19/2025   22:51:07   ( -69.58,  14.61) 06/19/2025   22:49:57  ( -69.63,  13.28)   51.72                70
 06/22/2025   13:26:46   ( -70.24, 154.76) 06/22/2025   13:27:23  ( -70.26, 154.77)    2.30                37
 06/22/2025   14:17:30   (  70.14, -37.78) 06/22/2025   14:16:50  (  70.16, -37.74)    2.36                40
 06/25/2025   04:53:07   (  70.75, 102.39) 06/25/2025   04:54:17  (  70.66, 103.60)   45.51                70
 06/25/2025   05:43:41   ( -70.23, -89.45) 06/25/2025   05:43:53  ( -70.22, -89.41)    1.55                12
 06/25/2025   06:34:25   (  70.12,  78.02) 06/25/2025   06:33:20  (  70.11,  78.08)    2.61                65
 06/27/2025   21:09:54   (  70.27,-141.06) 06/27/2025   21:10:54  (  70.27,-141.10)    1.65                60
 06/27/2025   22:00:36   ( -70.17,  26.42) 06/27/2025   22:00:24  ( -70.16,  26.39)    1.26                12
 06/27/2025   22:51:09   (  69.48,-165.24) 06/27/2025   22:50:00  (  69.55,-166.82)   61.74                69
 06/30/2025   13:26:50   (  70.27, -25.28) 06/30/2025   13:27:24  (  70.24, -25.25)    3.22                34
 06/30/2025   14:17:32   ( -70.17, 142.20) 06/30/2025   14:16:54  ( -70.14, 142.24)    2.97                38