Simultaneous Nadir Overpasses (SNOs) between NPP and LANDSAT-9
TLE Epoch: 2023 5 30.  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)
 06/01/2023   13:26:29   ( -70.41, 154.81) 06/01/2023   13:27:09  ( -70.38, 154.81)    2.49                40
 06/01/2023   14:17:13   (  70.30, -37.71) 06/01/2023   14:16:36  (  70.28, -37.69)    1.88                37
 06/04/2023   04:52:51   (  71.09, 102.15) 06/04/2023   04:53:59  (  70.95, 103.91)   65.27                68
 06/04/2023   05:43:21   ( -70.36, -89.35) 06/04/2023   05:43:38  ( -70.35, -89.37)    1.65                17
 06/04/2023   06:34:05   (  70.26,  78.13) 06/04/2023   06:33:05  (  70.24,  78.13)    1.57                60
 06/06/2023   21:09:31   (  70.43,-140.99) 06/06/2023   21:10:37  (  70.40,-141.05)    3.41                66
 06/06/2023   22:00:13   ( -70.33,  26.49) 06/06/2023   22:00:06  ( -70.35,  26.51)    2.79                 7
 06/06/2023   22:50:50   (  69.85,-165.48) 06/06/2023   22:49:39  (  69.91,-166.47)   38.34                71
 06/09/2023   13:26:23   (  70.40, -25.17) 06/09/2023   13:27:05  (  70.38, -25.20)    2.44                42
 06/09/2023   14:17:05   ( -70.30, 142.31) 06/09/2023   14:16:35  ( -70.27, 142.28)    2.57                30
 06/12/2023   04:52:45   ( -71.25, -78.11) 06/12/2023   04:53:52  ( -71.16, -75.79)   84.10                67
 06/12/2023   05:43:14   (  70.37,  90.65) 06/12/2023   05:43:31  (  70.39,  90.69)    2.44                17
 06/12/2023   06:33:56   ( -70.27,-101.88) 06/12/2023   06:33:01  ( -70.29,-101.82)    2.78                55