Simultaneous Nadir Overpasses (SNOs) between NPP and LANDSAT-9
TLE Epoch: 2023 6 11.  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)
 06/12/2023   04:52:45   ( -71.25, -78.10) 06/12/2023   04:53:52  ( -71.13, -75.82)   82.82                67
 06/12/2023   05:43:14   (  70.35,  90.68) 06/12/2023   05:43:31  (  70.38,  90.68)    2.51                17
 06/12/2023   06:33:56   ( -70.26,-101.87) 06/12/2023   06:33:01  ( -70.26,-101.86)    0.62                55
 06/14/2023   21:09:22   ( -70.45,  38.99) 06/14/2023   21:10:31  ( -70.45,  39.02)    1.24                69
 06/14/2023   22:00:06   (  70.34,-153.53) 06/14/2023   21:59:58  (  70.34,-153.49)    1.54                 8
 06/14/2023   22:50:43   ( -69.99,  14.33) 06/14/2023   22:49:31  ( -70.07,  13.75)   23.84                72
 06/17/2023   13:26:12   ( -70.39, 154.86) 06/17/2023   13:26:57  ( -70.39, 154.82)    1.26                45
 06/17/2023   14:16:56   (  70.29, -37.67) 06/17/2023   14:16:24  (  70.28, -37.69)    0.98                32
 06/20/2023   04:52:35   (  71.17, 102.04) 06/20/2023   04:53:42  (  71.08, 104.11)   75.47                67
 06/20/2023   05:43:03   ( -70.34, -89.28) 06/20/2023   05:43:23  ( -70.37, -89.33)    3.12                20
 06/20/2023   06:33:47   (  70.24,  78.19) 06/20/2023   06:32:50  (  70.25,  78.16)    2.11                57
 06/22/2023   21:09:13   (  70.45,-140.99) 06/22/2023   21:10:19  (  70.42,-140.99)    3.22                66
 06/22/2023   21:59:54   ( -70.30,  26.56) 06/22/2023   21:59:49  ( -70.32,  26.49)    3.33                 5
 06/22/2023   22:50:32   (  69.88,-165.49) 06/22/2023   22:49:21  (  69.93,-166.42)   36.04                71