Simultaneous Nadir Overpasses (SNOs) between NPP and LANDSAT-9
TLE Epoch: 2025 9 15.  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)
 09/15/2025   21:10:53   (  70.30,-141.08) 09/15/2025   21:11:26  (  70.28,-141.09)    2.46                33
 09/15/2025   22:01:35   ( -70.20,  26.40) 09/15/2025   22:00:55  ( -70.22,  26.45)    2.79                40
 09/18/2025   12:37:14   ( -70.65, 166.81) 09/18/2025   12:38:25  ( -70.52, 167.50)   29.18                71
 09/18/2025   13:27:51   (  70.24, -25.21) 09/18/2025   13:27:54  (  70.26, -25.24)    2.69                 3
 09/18/2025   14:18:33   ( -70.12, 142.27) 09/18/2025   14:17:24  ( -70.14, 142.23)    2.65                69
 09/21/2025   04:54:07   ( -70.32, -76.90) 09/21/2025   04:54:56  ( -70.32, -76.91)    0.35                49
 09/21/2025   05:44:51   (  70.23,  90.56) 09/21/2025   05:44:23  (  70.22,  90.59)    1.59                28
 09/23/2025   20:20:37   (  71.07,-129.68) 09/23/2025   20:21:44  (  70.98,-127.67)   73.39                67
 09/23/2025   21:11:06   ( -70.26,  38.95) 09/23/2025   21:11:25  ( -70.27,  38.90)    2.03                19
 09/23/2025   22:01:50   (  70.17,-153.60) 09/23/2025   22:00:52  (  70.16,-153.61)    1.83                58
 09/26/2025   12:37:23   (  70.34, -12.72) 09/26/2025   12:38:23  (  70.35, -12.72)    1.73                60
 09/26/2025   13:28:06   ( -70.26, 154.71) 09/26/2025   13:27:53  ( -70.25, 154.76)    2.55                13
 09/26/2025   14:18:38   (  69.54, -36.89) 09/26/2025   14:17:29  (  69.64, -38.45)   61.42                69
 09/29/2025   04:54:22   (  70.29, 103.11) 09/29/2025   04:54:51  (  70.31, 103.11)    1.95                29
 09/29/2025   05:45:04   ( -70.22, -89.45) 09/29/2025   05:44:20  ( -70.21, -89.40)    2.07                44