Simultaneous Nadir Overpasses (SNOs) between NPP and LANDSAT-9
TLE Epoch: 2023 3 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)
 03/29/2023   13:27:02   ( -70.30, 154.75) 03/29/2023   13:27:39  ( -70.32, 154.78)    3.06                37
 03/29/2023   14:17:46   (  70.17, -37.74) 03/29/2023   14:17:07  (  70.16, -37.81)    2.45                39
 04/01/2023   04:53:21   (  70.55, 102.80) 04/01/2023   04:54:32  (  70.50, 103.30)   19.22                71
 04/01/2023   05:43:59   ( -70.25, -89.41) 04/01/2023   05:44:04  ( -70.28, -89.39)    2.45                 5
 04/01/2023   06:34:43   (  70.13,  78.09) 04/01/2023   06:33:32  (  70.11,  78.02)    3.25                71
 04/03/2023   21:10:13   (  70.31,-141.05) 04/03/2023   21:10:58  (  70.30,-141.10)    2.56                45
 04/03/2023   22:00:55   ( -70.23,  26.40) 04/03/2023   22:00:27  ( -70.24,  26.45)    2.20                28
 04/06/2023   12:36:36   ( -70.94, 166.39) 04/06/2023   12:37:45  ( -70.87, 168.01)   59.41                69
 04/06/2023   13:27:09   (  70.25, -25.18) 04/06/2023   13:27:21  (  70.27, -25.24)    3.30                12
 04/06/2023   14:17:51   ( -70.16, 142.28) 04/06/2023   14:16:51  ( -70.16, 142.23)    1.89                60
 04/09/2023   04:53:22   ( -70.36, -76.89) 04/09/2023   04:54:16  ( -70.36, -76.84)    1.81                54
 04/09/2023   05:44:06   (  70.25,  90.59) 04/09/2023   05:43:43  (  70.25,  90.63)    1.47                23
 04/09/2023   06:34:33   ( -69.36,-100.77) 04/09/2023   06:33:26  ( -69.42,-102.87)   82.81                67
 04/11/2023   20:19:50   (  71.15,-129.74) 04/11/2023   20:20:57  (  71.01,-127.59)   78.96                67
 04/11/2023   21:10:18   ( -70.32,  38.95) 04/11/2023   21:10:38  ( -70.30,  38.97)    2.75                20
 04/11/2023   22:01:02   (  70.21,-153.57) 04/11/2023   22:00:05  (  70.18,-153.55)    3.43                57