Simultaneous Nadir Overpasses (SNOs) between NPP and LANDSAT-9
TLE Epoch: 2025 9 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)
 09/23/2025   20:20:41   (  71.25,-130.00) 09/23/2025   20:21:47  (  71.12,-127.46)   92.28                66
 09/23/2025   21:11:07   ( -70.30,  38.89) 09/23/2025   21:11:30  ( -70.30,  38.92)    1.19                23
 09/23/2025   22:01:51   (  70.20,-153.65) 09/23/2025   22:00:57  (  70.20,-153.58)    2.71                54
 09/26/2025   12:37:23   (  70.37, -12.77) 09/26/2025   12:38:30  (  70.36, -12.74)    1.54                67
 09/26/2025   13:28:05   ( -70.25, 154.73) 09/26/2025   13:28:00  ( -70.25, 154.73)    0.07                 5
 09/26/2025   14:18:43   (  69.84, -37.33) 09/26/2025   14:17:31  (  69.93, -38.08)   30.35                72
 09/29/2025   04:54:22   (  70.33, 103.05) 09/29/2025   04:55:00  (  70.34, 103.10)    2.09                38
 09/29/2025   05:45:04   ( -70.21, -89.44) 09/29/2025   05:44:30  ( -70.23, -89.42)    2.57                34
 10/01/2025   20:20:46   ( -70.86,  50.65) 10/01/2025   20:21:56  ( -70.78,  52.00)   49.90                70
 10/01/2025   21:11:21   (  70.30,-141.14) 10/01/2025   21:11:30  (  70.29,-141.09)    2.65                 9
 10/01/2025   22:02:03   ( -70.17,  26.37) 10/01/2025   22:01:00  ( -70.18,  26.39)    1.09                63
 10/04/2025   12:37:36   ( -70.36, 167.22) 10/04/2025   12:38:32  ( -70.38, 167.28)    2.83                56
 10/04/2025   13:28:19   (  70.23, -25.26) 10/04/2025   13:28:00  (  70.21, -25.32)    3.12                19