Simultaneous Nadir Overpasses (SNOs) between NPP and LANDSAT-9
TLE Epoch: 2023 4 29.  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)
 04/30/2023   13:26:57   ( -70.41, 154.80) 04/30/2023   13:27:25  ( -70.39, 154.85)    2.25                28
 04/30/2023   14:17:41   (  70.29, -37.71) 04/30/2023   14:16:52  (  70.29, -37.66)    2.22                49
 05/03/2023   04:53:09   (  70.62, 102.92) 05/03/2023   04:54:20  (  70.56, 103.34)   16.98                71
 05/03/2023   05:43:47   ( -70.32, -89.28) 05/03/2023   05:43:52  ( -70.33, -89.35)    3.22                 5
 05/03/2023   06:34:31   (  70.21,  78.19) 05/03/2023   06:33:19  (  70.23,  78.14)    3.17                72
 05/05/2023   21:09:56   (  70.44,-141.01) 05/05/2023   21:10:47  (  70.41,-140.98)    2.59                51
 05/05/2023   22:00:37   ( -70.29,  26.54) 05/05/2023   22:00:17  ( -70.30,  26.49)    2.48                20
 05/05/2023   22:51:05   (  69.33,-164.74) 05/05/2023   22:49:59  (  69.37,-167.16)   95.29                66
 05/08/2023   13:26:46   (  70.36, -25.12) 05/08/2023   13:27:13  (  70.35, -25.18)    2.69                27
 05/08/2023   14:17:28   ( -70.27, 142.35) 05/08/2023   14:16:43  ( -70.24, 142.29)    3.41                45
 05/11/2023   04:52:57   ( -70.66, -77.12) 05/11/2023   04:54:08  ( -70.60, -76.58)   21.31                71
 05/11/2023   05:43:37   (  70.35,  90.68) 05/11/2023   05:43:37  (  70.37,  90.74)    3.34                 0
 05/11/2023   06:34:19   ( -70.25,-101.85) 05/11/2023   06:33:07  ( -70.27,-101.78)    2.99                72