Simultaneous Nadir Overpasses (SNOs) between NPP and LANDSAT-9
TLE Epoch: 2025 5 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)
 05/18/2025   21:09:31   ( -70.45,  38.64) 05/18/2025   21:10:43  ( -70.41,  38.99)   13.90                72
 05/18/2025   22:00:12   (  70.20,-153.65) 05/18/2025   22:00:12  (  70.20,-153.67)    0.56                 0
 05/18/2025   22:50:54   ( -70.09,  13.84) 05/18/2025   22:49:42  ( -70.08,  13.80)    1.47                72
 05/21/2025   13:26:26   ( -70.30, 154.64) 05/21/2025   13:27:13  ( -70.29, 154.70)    2.64                47
 05/21/2025   14:17:09   (  70.16, -37.83) 05/21/2025   14:16:40  (  70.19, -37.80)    3.06                29
 05/24/2025   04:52:53   (  71.02, 101.92) 05/24/2025   04:54:01  (  70.91, 103.88)   71.90                68
 05/24/2025   05:43:23   ( -70.27, -89.54) 05/24/2025   05:43:41  ( -70.25, -89.47)    2.90                18
 05/24/2025   06:34:06   (  70.13,  77.99) 05/24/2025   06:33:08  (  70.15,  78.02)    2.17                58
 05/26/2025   21:09:37   (  70.32,-141.16) 05/26/2025   21:10:39  (  70.30,-141.16)    1.94                62
 05/26/2025   22:00:19   ( -70.19,  26.36) 05/26/2025   22:00:09  ( -70.19,  26.31)    1.65                10
 05/26/2025   22:50:53   (  69.63,-165.49) 05/26/2025   22:49:43  (  69.64,-166.81)   51.05                70
 05/29/2025   13:26:32   (  70.25, -25.28) 05/29/2025   13:27:05  (  70.26, -25.33)    2.56                33
 05/29/2025   14:17:15   ( -70.17, 142.16) 05/29/2025   14:16:35  ( -70.15, 142.14)    2.12                40