Simultaneous Nadir Overpasses (SNOs) between NPP and LANDSAT-9
TLE Epoch: 2023 7 3.  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)
 07/03/2023   13:26:13   ( -70.38, 154.84) 07/03/2023   13:27:12  ( -70.36, 154.91)    3.39                59
 07/03/2023   14:16:56   (  70.20, -37.58) 07/03/2023   14:16:40  (  70.21, -37.66)    3.27                16
 07/03/2023   15:07:28   ( -69.59, 130.65) 07/03/2023   15:06:18  ( -69.66, 129.19)   56.86                70
 07/06/2023   05:43:07   ( -70.31, -89.30) 07/06/2023   05:43:43  ( -70.32, -89.28)    1.09                36
 07/06/2023   06:33:51   (  70.19,  78.20) 07/06/2023   06:33:10  (  70.22,  78.22)    3.19                41
 07/08/2023   21:09:29   (  70.81,-141.66) 07/08/2023   21:10:39  (  70.69,-140.48)   45.37                70
 07/08/2023   22:00:02   ( -70.25,  26.55) 07/08/2023   22:00:15  ( -70.25,  26.51)    1.76                13
 07/08/2023   22:50:46   (  70.13,-165.95) 07/08/2023   22:49:42  (  70.15,-166.00)    2.60                64
 07/11/2023   13:26:16   (  70.34, -25.14) 07/11/2023   13:27:16  (  70.33, -25.13)    0.87                60
 07/11/2023   14:16:58   ( -70.25, 142.32) 07/11/2023   14:16:46  ( -70.22, 142.34)    2.92                12
 07/11/2023   15:07:31   (  69.55, -49.32) 07/11/2023   15:06:22  (  69.62, -50.86)   60.05                69
 07/14/2023   05:43:11   (  70.29,  90.70) 07/14/2023   05:43:47  (  70.28,  90.67)    1.56                36
 07/14/2023   06:33:53   ( -70.20,-101.84) 07/14/2023   06:33:17  ( -70.17,-101.84)    2.58                36
 07/16/2023   21:09:32   ( -70.93,  38.11) 07/16/2023   21:10:41  ( -70.81,  39.71)   59.64                69
 07/16/2023   22:00:05   (  70.25,-153.47) 07/16/2023   22:00:16  (  70.26,-153.47)    1.86                11
 07/16/2023   22:50:47   ( -70.15,  13.99) 07/16/2023   22:49:46  ( -70.16,  14.02)    1.48                61