Simultaneous Nadir Overpasses (SNOs) between NPP and LANDSAT-9
TLE Epoch: 2025 9 20.  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)
 09/21/2025   04:54:07   ( -70.33, -76.91) 09/21/2025   04:54:58  ( -70.35, -76.88)    2.85                51
 09/21/2025   05:44:51   (  70.23,  90.55) 09/21/2025   05:44:26  (  70.20,  90.55)    3.34                25
 09/21/2025   06:35:17   ( -69.27,-100.71) 09/21/2025   06:34:10  ( -69.32,-103.04)   91.72                67
 09/23/2025   20:20:40   (  71.22,-129.95) 09/23/2025   20:21:46  (  71.16,-127.40)   91.70                66
 09/23/2025   21:11:06   ( -70.27,  38.94) 09/23/2025   21:11:30  ( -70.29,  38.90)    2.30                24
 09/23/2025   22:01:50   (  70.17,-153.60) 09/23/2025   22:00:57  (  70.18,-153.60)    1.04                53
 09/26/2025   12:37:23   (  70.34, -12.72) 09/26/2025   12:38:31  (  70.36, -12.74)    2.69                68
 09/26/2025   13:28:06   ( -70.27, 154.70) 09/26/2025   13:28:01  ( -70.25, 154.73)    2.10                 5
 09/26/2025   14:18:44   (  69.86, -37.36) 09/26/2025   14:17:32  (  69.93, -38.09)   28.64                72
 09/29/2025   04:54:22   (  70.30, 103.11) 09/29/2025   04:55:02  (  70.30, 103.05)    2.23                40
 09/29/2025   05:45:05   ( -70.22, -89.46) 09/29/2025   05:44:32  ( -70.20, -89.47)    2.61                33
 10/01/2025   20:20:47   ( -70.92,  50.55) 10/01/2025   20:21:56  ( -70.83,  52.07)   56.33                69
 10/01/2025   21:11:20   (  70.26,-141.08) 10/01/2025   21:11:31  (  70.28,-141.10)    2.54                11
 10/01/2025   22:02:03   ( -70.18,  26.36) 10/01/2025   22:01:01  ( -70.18,  26.39)    1.10                62