Simultaneous Nadir Overpasses (SNOs) between NPP and LANDSAT-9
TLE Epoch: 2023 5 9.  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)
 05/11/2023   04:53:04   ( -70.91, -77.54) 05/11/2023   04:54:14  ( -70.81, -76.29)   46.85                70
 05/11/2023   05:43:39   (  70.33,  90.70) 05/11/2023   05:43:48  (  70.33,  90.64)    2.59                 9
 05/11/2023   06:34:21   ( -70.24,-101.84) 05/11/2023   06:33:18  ( -70.22,-101.90)    3.05                63
 05/13/2023   21:09:49   ( -70.44,  38.99) 05/13/2023   21:10:49  ( -70.44,  39.02)    1.26                60
 05/13/2023   22:00:33   (  70.33,-153.53) 05/13/2023   22:00:16  (  70.34,-153.48)    1.89                17
 05/13/2023   22:51:05   ( -69.71,  14.73) 05/13/2023   22:49:55  ( -69.73,  13.30)   55.31                70
 05/16/2023   13:26:42   ( -70.39, 154.84) 05/16/2023   13:27:17  ( -70.41, 154.86)    3.02                35
 05/16/2023   14:17:26   (  70.29, -37.69) 05/16/2023   14:16:44  (  70.31, -37.65)    2.85                42
 05/19/2023   04:52:59   (  70.81, 102.60) 05/19/2023   04:54:10  (  70.68, 103.51)   36.47                71
 05/19/2023   05:43:34   ( -70.34, -89.32) 05/19/2023   05:43:44  ( -70.36, -89.34)    1.50                10
 05/19/2023   06:34:18   (  70.24,  78.14) 05/19/2023   06:33:11  (  70.24,  78.14)    0.21                67
 05/21/2023   21:09:45   (  70.41,-140.98) 05/21/2023   21:10:41  (  70.43,-140.99)    1.89                56
 05/21/2023   22:00:27   ( -70.30,  26.51) 05/21/2023   22:00:11  ( -70.32,  26.49)    2.11                16
 05/21/2023   22:50:58   (  69.52,-165.00) 05/21/2023   22:49:50  (  69.54,-166.95)   75.59                68