Simultaneous Nadir Overpasses (SNOs) between NPP and LANDSAT-9
TLE Epoch: 2025 9 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)
 09/18/2025   12:37:13   ( -70.60, 166.89) 09/18/2025   12:38:25  ( -70.52, 167.50)   24.14                72
 09/18/2025   13:27:52   (  70.24, -25.22) 09/18/2025   13:27:55  (  70.26, -25.24)    2.64                 3
 09/18/2025   14:18:34   ( -70.13, 142.27) 09/18/2025   14:17:25  ( -70.14, 142.22)    2.19                69
 09/21/2025   04:54:07   ( -70.32, -76.90) 09/21/2025   04:54:56  ( -70.32, -76.91)    0.65                49
 09/21/2025   05:44:51   (  70.23,  90.56) 09/21/2025   05:44:23  (  70.22,  90.59)    1.43                28
 09/23/2025   20:20:37   (  71.06,-129.67) 09/23/2025   20:21:45  (  70.92,-127.75)   71.39                68
 09/23/2025   21:11:06   ( -70.26,  38.95) 09/23/2025   21:11:25  ( -70.27,  38.90)    2.07                19
 09/23/2025   22:01:50   (  70.17,-153.59) 09/23/2025   22:00:52  (  70.16,-153.61)    1.29                58
 09/26/2025   12:37:23   (  70.33, -12.71) 09/26/2025   12:38:23  (  70.36, -12.71)    2.84                60
 09/26/2025   13:28:06   ( -70.26, 154.72) 09/26/2025   13:27:53  ( -70.25, 154.76)    2.08                13
 09/26/2025   14:18:39   (  69.59, -36.96) 09/26/2025   14:17:29  (  69.64, -38.44)   57.82                70
 09/29/2025   04:54:23   (  70.34, 103.04) 09/29/2025   04:54:51  (  70.32, 103.12)    3.70                28
 09/29/2025   05:45:05   ( -70.21, -89.44) 09/29/2025   05:44:21  ( -70.21, -89.40)    1.75                44
 10/01/2025   20:20:39   ( -70.48,  51.26) 10/01/2025   20:21:50  ( -70.43,  51.53)   11.45                71