Simultaneous Nadir Overpasses (SNOs) between NPP and LANDSAT-9
TLE Epoch: 2023 5 21.  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   (  70.43,-141.00) 05/21/2023   21:10:42  (  70.42,-141.00)    0.92                57
 05/21/2023   22:00:26   ( -70.28,  26.54) 05/21/2023   22:00:12  ( -70.30,  26.46)    3.52                14
 05/21/2023   22:50:58   (  69.54,-165.03) 05/21/2023   22:49:50  (  69.59,-166.88)   72.20                68
 05/24/2023   13:26:36   (  70.36, -25.13) 05/24/2023   13:27:08  (  70.36, -25.19)    2.36                32
 05/24/2023   14:17:18   ( -70.27, 142.34) 05/24/2023   14:16:38  ( -70.25, 142.27)    3.29                40
 05/27/2023   04:52:51   ( -70.78, -77.33) 05/27/2023   04:54:02  ( -70.72, -76.43)   33.90                71
 05/27/2023   05:43:29   (  70.36,  90.65) 05/27/2023   05:43:34  (  70.34,  90.66)    2.71                 5
 05/27/2023   06:34:10   ( -70.21,-101.80) 05/27/2023   06:33:04  ( -70.22,-101.87)    3.13                66
 05/29/2023   21:09:37   ( -70.41,  39.03) 05/29/2023   21:10:33  ( -70.39,  38.98)    2.93                56
 05/29/2023   22:00:21   (  70.31,-153.51) 05/29/2023   21:59:59  (  70.34,-153.46)    3.24                22
 05/29/2023   22:50:49   ( -69.47,  15.07) 05/29/2023   22:49:41  ( -69.57,  13.10)   77.21                68
 06/01/2023   13:26:29   ( -70.37, 154.87) 06/01/2023   13:26:58  ( -70.37, 154.84)    1.09                29
 06/01/2023   14:17:13   (  70.27, -37.67) 06/01/2023   14:16:25  (  70.26, -37.68)    2.10                48