Simultaneous Nadir Overpasses (SNOs) between NPP and LANDSAT-9
TLE Epoch: 2023 5 20.  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)
 05/21/2023   21:09:45   (  70.44,-141.02) 05/21/2023   21:10:42  (  70.41,-141.01)    3.08                57
 05/21/2023   22:00:26   ( -70.29,  26.53) 05/21/2023   22:00:12  ( -70.29,  26.45)    2.90                14
 05/21/2023   22:50:58   (  69.55,-165.04) 05/21/2023   22:49:50  (  69.58,-166.89)   71.92                68
 05/24/2023   13:26:37   (  70.37, -25.14) 05/24/2023   13:27:09  (  70.36, -25.20)    2.60                32
 05/24/2023   14:17:19   ( -70.28, 142.33) 05/24/2023   14:16:38  ( -70.30, 142.35)    2.69                41
 05/27/2023   04:52:51   ( -70.78, -77.34) 05/27/2023   04:54:02  ( -70.72, -76.43)   34.14                71
 05/27/2023   05:43:29   (  70.37,  90.64) 05/27/2023   05:43:34  (  70.34,  90.65)    3.13                 5
 05/27/2023   06:34:10   ( -70.21,-101.81) 05/27/2023   06:33:04  ( -70.23,-101.87)    2.87                66
 05/29/2023   21:09:37   ( -70.41,  39.03) 05/29/2023   21:10:33  ( -70.40,  38.99)    1.83                56
 05/29/2023   22:00:21   (  70.31,-153.50) 05/29/2023   22:00:00  (  70.29,-153.52)    2.55                21
 05/29/2023   22:50:50   ( -69.52,  14.99) 05/29/2023   22:49:41  ( -69.58,  13.11)   73.39                69
 06/01/2023   13:26:29   ( -70.36, 154.88) 06/01/2023   13:26:58  ( -70.39, 154.86)    2.82                29
 06/01/2023   14:17:13   (  70.27, -37.66) 06/01/2023   14:16:25  (  70.27, -37.66)    0.80                48