Simultaneous Nadir Overpasses (SNOs) between NPP and LANDSAT-9
TLE Epoch: 2025 6 18.  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)
 06/19/2025   21:09:50   ( -70.28,  38.92) 06/19/2025   21:10:52  ( -70.26,  38.89)    1.95                62
 06/19/2025   22:00:34   (  70.18,-153.61) 06/19/2025   22:00:19  (  70.16,-153.61)    1.17                15
 06/19/2025   22:51:07   ( -69.60,  14.58) 06/19/2025   22:49:57  ( -69.61,  13.26)   51.36                70
 06/22/2025   13:26:46   ( -70.26, 154.73) 06/22/2025   13:27:23  ( -70.25, 154.75)    1.46                37
 06/22/2025   14:17:30   (  70.16, -37.80) 06/22/2025   14:16:50  (  70.14, -37.76)    2.13                40
 06/25/2025   04:53:08   (  70.77, 102.37) 06/25/2025   04:54:18  (  70.65, 103.58)   46.61                70
 06/25/2025   05:43:41   ( -70.19, -89.39) 06/25/2025   05:43:54  ( -70.21, -89.43)    2.51                13
 06/25/2025   06:34:25   (  70.09,  78.08) 06/25/2025   06:33:21  (  70.10,  78.06)    1.75                64
 06/27/2025   21:09:54   (  70.29,-141.08) 06/27/2025   21:10:54  (  70.26,-141.11)    3.00                60
 06/27/2025   22:00:36   ( -70.18,  26.40) 06/27/2025   22:00:24  ( -70.16,  26.38)    2.88                12
 06/27/2025   22:51:09   (  69.50,-165.26) 06/27/2025   22:50:00  (  69.55,-166.82)   60.93                69
 06/30/2025   13:26:49   (  70.23, -25.22) 06/30/2025   13:27:24  (  70.24, -25.25)    1.84                35
 06/30/2025   14:17:31   ( -70.13, 142.26) 06/30/2025   14:16:54  ( -70.14, 142.24)    1.72                37