Simultaneous Nadir Overpasses (SNOs) between NPP and LANDSAT-9
TLE Epoch: 2025 4 7.  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)
 04/08/2025   21:59:19   ( -70.46,  26.08) 04/08/2025   22:00:31  ( -70.39,  26.60)   20.99                72
 04/08/2025   22:50:00   (  70.15,-166.14) 04/08/2025   22:50:01  (  70.12,-166.14)    3.57                 1
 04/08/2025   23:40:41   ( -70.03,   1.36) 04/08/2025   23:39:31  ( -70.01,   1.34)    2.57                70
 04/11/2025   14:16:15   ( -70.22, 142.21) 04/11/2025   14:17:05  ( -70.21, 142.21)    0.79                50
 04/11/2025   15:06:59   (  70.08, -50.27) 04/11/2025   15:06:32  (  70.10, -50.29)    3.19                27
 04/11/2025   15:57:24   ( -69.11, 118.47) 04/11/2025   15:56:17  ( -69.17, 116.07)   95.17                67
 04/14/2025   05:42:47   (  71.01,  89.35) 04/14/2025   05:43:54  (  70.95,  91.56)   80.26                67
 04/14/2025   06:33:15   ( -70.20,-102.01) 04/14/2025   06:33:36  ( -70.19,-101.94)    2.76                21
 04/14/2025   07:23:59   (  70.07,  65.50) 04/14/2025   07:23:03  (  70.08,  65.55)    2.37                56
 04/16/2025   21:59:32   (  70.23,-153.62) 04/16/2025   22:00:38  (  70.22,-153.67)    2.73                66
 04/16/2025   22:50:13   ( -70.15,  13.83) 04/16/2025   22:50:06  ( -70.17,  13.89)    3.35                 7
 04/16/2025   23:40:50   (  69.65,-178.11) 04/16/2025   23:39:39  (  69.73,-179.08)   38.59                71
 04/19/2025   14:16:30   (  70.20, -37.80) 04/19/2025   14:17:08  (  70.19, -37.85)    2.03                38
 04/19/2025   15:07:12   ( -70.11, 129.65) 04/19/2025   15:06:38  ( -70.09, 129.64)    2.21                34