Simultaneous Nadir Overpasses (SNOs) between NPP and LANDSAT-9
TLE Epoch: 2023 5 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)
 05/16/2023   13:26:41   ( -70.40, 154.83) 05/16/2023   13:27:17  ( -70.37, 154.80)    3.16                36
 05/16/2023   14:17:25   (  70.29, -37.69) 05/16/2023   14:16:44  (  70.27, -37.70)    1.90                41
 05/19/2023   04:52:59   (  70.83, 102.58) 05/19/2023   04:54:10  (  70.71, 103.55)   37.98                71
 05/19/2023   05:43:34   ( -70.37, -89.36) 05/19/2023   05:43:44  ( -70.37, -89.31)    1.73                10
 05/19/2023   06:34:18   (  70.26,  78.12) 05/19/2023   06:33:11  (  70.27,  78.18)    2.50                67
 05/21/2023   21:09:44   (  70.39,-140.94) 05/21/2023   21:10:42  (  70.41,-141.02)    3.47                58
 05/21/2023   22:00:26   ( -70.29,  26.53) 05/21/2023   22:00:12  ( -70.29,  26.45)    3.03                14
 05/21/2023   22:50:58   (  69.55,-165.05) 05/21/2023   22:49:50  (  69.58,-166.90)   72.00                68
 05/24/2023   13:26:37   (  70.38, -25.15) 05/24/2023   13:27:08  (  70.41, -25.13)    3.46                31
 05/24/2023   14:17:19   ( -70.27, 142.33) 05/24/2023   14:16:38  ( -70.30, 142.34)    2.81                41
 05/27/2023   04:52:51   ( -70.78, -77.33) 05/27/2023   04:54:02  ( -70.71, -76.44)   33.75                71
 05/27/2023   05:43:28   (  70.32,  90.72) 05/27/2023   05:43:34  (  70.33,  90.64)    3.21                 6
 05/27/2023   06:34:10   ( -70.21,-101.80) 05/27/2023   06:33:04  ( -70.22,-101.88)    3.17                66