Simultaneous Nadir Overpasses (SNOs) between NPP and LANDSAT-9
TLE Epoch: 2023 3 10.  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)
 03/10/2023   21:09:59   ( -71.16,  37.60) 03/10/2023   21:11:05  ( -71.08,  40.05)   88.67                66
 03/10/2023   22:00:28   (  70.26,-153.60) 03/10/2023   22:00:45  (  70.26,-153.53)    2.87                17
 03/10/2023   22:51:09   ( -70.12,  13.93) 03/10/2023   22:50:15  ( -70.15,  13.93)    3.36                54
 03/13/2023   13:26:42   ( -70.30, 154.78) 03/13/2023   13:27:43  ( -70.29, 154.76)    1.07                61
 03/13/2023   14:17:26   (  70.18, -37.72) 03/13/2023   14:17:10  (  70.18, -37.75)    1.09                16
 03/13/2023   15:07:58   ( -69.56, 130.52) 03/13/2023   15:06:48  ( -69.63, 129.11)   55.03                70
 03/16/2023   05:43:39   ( -70.24, -89.36) 03/16/2023   05:44:05  ( -70.26, -89.38)    2.58                26
 03/16/2023   06:34:24   (  70.17,  78.05) 03/16/2023   06:33:32  (  70.15,  78.11)    3.34                52
 03/18/2023   21:09:56   (  70.34,-141.08) 03/18/2023   21:10:57  (  70.34,-141.00)    3.04                61
 03/18/2023   22:00:37   ( -70.20,  26.47) 03/18/2023   22:00:27  ( -70.23,  26.48)    3.03                10
 03/18/2023   22:51:12   (  69.60,-165.33) 03/18/2023   22:50:02  (  69.67,-166.66)   52.08                70
 03/21/2023   13:26:53   (  70.27, -25.19) 03/21/2023   13:27:18  (  70.29, -25.16)    2.39                25
 03/21/2023   14:17:35   ( -70.17, 142.27) 03/21/2023   14:16:48  ( -70.18, 142.32)    1.77                47