Simultaneous Nadir Overpasses (SNOs) between NPP and LANDSAT-9
TLE Epoch: 2025 5 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)
 05/21/2025   13:26:26   ( -70.31, 154.64) 05/21/2025   13:27:13  ( -70.31, 154.72)    3.02                47
 05/21/2025   14:17:09   (  70.16, -37.82) 05/21/2025   14:16:41  (  70.15, -37.86)    1.35                28
 05/24/2025   04:52:54   (  71.07, 101.84) 05/24/2025   04:54:01  (  70.95, 103.94)   77.03                67
 05/24/2025   05:43:22   ( -70.22, -89.46) 05/24/2025   05:43:42  ( -70.24, -89.50)    2.58                20
 05/24/2025   06:34:06   (  70.13,  77.99) 05/24/2025   06:33:09  (  70.14,  78.00)    0.74                57
 05/26/2025   21:09:36   (  70.31,-141.15) 05/26/2025   21:10:39  (  70.31,-141.14)    0.26                63
 05/26/2025   22:00:18   ( -70.19,  26.36) 05/26/2025   22:00:09  ( -70.20,  26.33)    1.63                 9
 05/26/2025   22:50:53   (  69.63,-165.48) 05/26/2025   22:49:43  (  69.71,-166.72)   48.53                70
 05/29/2025   13:26:32   (  70.24, -25.27) 05/29/2025   13:27:07  (  70.26, -25.35)    3.37                35
 05/29/2025   14:17:15   ( -70.17, 142.16) 05/29/2025   14:16:37  ( -70.14, 142.13)    3.01                38
 06/01/2025   04:52:52   ( -70.67, -77.50) 06/01/2025   04:54:03  ( -70.56, -76.66)   33.37                71
 06/01/2025   05:43:29   (  70.23,  90.52) 06/01/2025   05:43:34  (  70.23,  90.50)    0.82                 5
 06/01/2025   06:34:11   ( -70.10,-101.96) 06/01/2025   06:33:04  ( -70.12,-102.02)    3.29                67
 06/03/2025   21:09:42   ( -70.30,  38.87) 06/03/2025   21:10:34  ( -70.30,  38.84)    1.27                52
 06/03/2025   22:00:25   (  70.17,-153.61) 06/03/2025   22:00:01  (  70.19,-153.68)    3.03                24