Simultaneous Nadir Overpasses (SNOs) between NPP and LANDSAT-9
TLE Epoch: 2025 6 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)
 06/22/2025   13:26:46   ( -70.25, 154.74) 06/22/2025   13:27:23  ( -70.26, 154.76)    1.07                37
 06/22/2025   14:17:30   (  70.14, -37.78) 06/22/2025   14:16:50  (  70.16, -37.74)    2.14                40
 06/25/2025   04:53:07   (  70.75, 102.39) 06/25/2025   04:54:17  (  70.66, 103.61)   45.76                70
 06/25/2025   05:43:41   ( -70.23, -89.45) 06/25/2025   05:43:53  ( -70.23, -89.40)    2.00                12
 06/25/2025   06:34:25   (  70.13,  78.02) 06/25/2025   06:33:20  (  70.12,  78.09)    2.72                65
 06/27/2025   21:09:54   (  70.27,-141.05) 06/27/2025   21:10:54  (  70.28,-141.07)    2.03                60
 06/27/2025   22:00:36   ( -70.17,  26.42) 06/27/2025   22:00:24  ( -70.18,  26.41)    1.46                12
 06/27/2025   22:51:09   (  69.48,-165.24) 06/27/2025   22:50:00  (  69.57,-166.79)   61.42                69
 06/30/2025   13:26:50   (  70.26, -25.26) 06/30/2025   13:27:24  (  70.27, -25.21)    2.66                34
 06/30/2025   14:17:32   ( -70.16, 142.21) 06/30/2025   14:16:54  ( -70.17, 142.28)    3.03                38
 07/03/2025   04:53:11   ( -70.83, -77.72) 07/03/2025   04:54:20  ( -70.74, -76.27)   53.98                69
 07/03/2025   05:43:45   (  70.20,  90.60) 07/03/2025   05:43:55  (  70.19,  90.56)    1.89                10
 07/03/2025   06:34:27   ( -70.10,-101.93) 07/03/2025   06:33:25  ( -70.09,-101.95)    1.17                62