Simultaneous Nadir Overpasses (SNOs) between NPP and LANDSAT-9
TLE Epoch: 2023 4 12.  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)
 04/14/2023   12:36:45   (  71.06, -13.82) 04/14/2023   12:37:53  (  70.97, -11.90)   69.97                68
 04/14/2023   13:27:14   ( -70.30, 154.76) 04/14/2023   13:27:33  ( -70.30, 154.73)    1.08                19
 04/14/2023   14:17:58   (  70.17, -37.74) 04/14/2023   14:17:00  (  70.20, -37.77)    3.18                58
 04/17/2023   04:53:28   (  70.35, 103.13) 04/17/2023   04:54:30  (  70.37, 103.08)    2.82                62
 04/17/2023   05:44:10   ( -70.26, -89.41) 04/17/2023   05:44:00  ( -70.25, -89.46)    1.89                10
 04/17/2023   06:34:45   (  69.66,  78.80) 04/17/2023   06:33:35  (  69.70,  77.42)   53.43                70
 04/19/2023   21:10:24   (  70.33,-141.06) 04/19/2023   21:10:56  (  70.34,-141.08)    1.41                32
 04/19/2023   22:01:06   ( -70.23,  26.40) 04/19/2023   22:00:26  ( -70.22,  26.39)    1.19                40
 04/22/2023   12:36:40   ( -70.63, 166.92) 04/22/2023   12:37:52  ( -70.55, 167.48)   22.65                72
 04/22/2023   13:27:19   (  70.31, -25.26) 04/22/2023   13:27:20  (  70.33, -25.20)    3.01                 1
 04/22/2023   14:18:01   ( -70.22, 142.21) 04/22/2023   14:16:50  ( -70.22, 142.28)    2.71                71
 04/25/2023   04:53:30   ( -70.36, -76.87) 04/25/2023   04:54:19  ( -70.35, -76.92)    1.99                49
 04/25/2023   05:44:14   (  70.26,  90.61) 04/25/2023   05:43:46  (  70.24,  90.56)    2.49                28