Simultaneous Nadir Overpasses (SNOs) between NPP and LANDSAT-9
TLE Epoch: 2023 4 22.  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)
 04/25/2023   04:53:18   ( -70.63, -77.12) 04/25/2023   04:54:29  ( -70.58, -76.65)   18.52                71
 04/25/2023   05:43:59   (  70.36,  90.62) 04/25/2023   05:43:58  (  70.37,  90.69)    2.52                 1
 04/25/2023   06:34:40   ( -70.22,-101.84) 04/25/2023   06:33:28  ( -70.25,-101.85)    3.08                72
 04/27/2023   21:10:06   ( -70.42,  39.00) 04/27/2023   21:10:59  ( -70.43,  39.01)    0.82                53
 04/27/2023   22:00:50   (  70.31,-153.52) 04/27/2023   22:00:26  (  70.32,-153.50)    1.51                24
 04/27/2023   22:51:17   ( -69.43,  15.11) 04/27/2023   22:50:09  ( -69.50,  12.99)   83.28                68
 04/30/2023   13:26:57   ( -70.38, 154.84) 04/30/2023   13:27:27  ( -70.35, 154.79)    3.36                30
 04/30/2023   14:17:40   (  70.27, -37.68) 04/30/2023   14:16:53  (  70.25, -37.72)    3.34                47
 05/03/2023   04:53:09   (  70.65, 102.87) 05/03/2023   04:54:20  (  70.57, 103.36)   20.28                71
 05/03/2023   05:43:47   ( -70.34, -89.32) 05/03/2023   05:43:52  ( -70.36, -89.32)    1.58                 5
 05/03/2023   06:34:31   (  70.24,  78.14) 05/03/2023   06:33:19  (  70.25,  78.16)    0.82                72
 05/05/2023   21:09:56   (  70.42,-140.98) 05/05/2023   21:10:48  (  70.43,-140.96)    1.80                52
 05/05/2023   22:00:38   ( -70.32,  26.49) 05/05/2023   22:00:18  ( -70.33,  26.52)    1.44                20