Simultaneous Nadir Overpasses (SNOs) between NPP and LANDSAT-9
TLE Epoch: 2023 5 17.  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)
 05/19/2023   04:52:59   (  70.83, 102.59) 05/19/2023   04:54:10  (  70.71, 103.56)   37.72                71
 05/19/2023   05:43:34   ( -70.36, -89.35) 05/19/2023   05:43:44  ( -70.38, -89.31)    2.09                10
 05/19/2023   06:34:18   (  70.26,  78.12) 05/19/2023   06:33:11  (  70.27,  78.19)    3.22                67
 05/21/2023   21:09:45   (  70.44,-141.02) 05/21/2023   21:10:42  (  70.42,-141.00)    2.15                57
 05/21/2023   22:00:26   ( -70.29,  26.54) 05/21/2023   22:00:12  ( -70.30,  26.47)    3.19                14
 05/21/2023   22:50:58   (  69.54,-165.04) 05/21/2023   22:49:50  (  69.59,-166.88)   71.66                68
 05/24/2023   13:26:37   (  70.37, -25.14) 05/24/2023   13:27:09  (  70.38, -25.18)    1.65                32
 05/24/2023   14:17:19   ( -70.27, 142.34) 05/24/2023   14:16:39  ( -70.27, 142.30)    1.55                40
 05/27/2023   04:52:52   ( -70.83, -77.41) 05/27/2023   04:54:03  ( -70.69, -76.46)   37.63                71
 05/27/2023   05:43:29   (  70.36,  90.65) 05/27/2023   05:43:34  (  70.37,  90.69)    1.77                 5
 05/27/2023   06:34:11   ( -70.26,-101.88) 05/27/2023   06:33:04  ( -70.26,-101.83)    1.71                67
 05/29/2023   21:09:37   ( -70.40,  39.05) 05/29/2023   21:10:34  ( -70.39,  38.97)    2.93                57
 05/29/2023   22:00:21   (  70.31,-153.49) 05/29/2023   22:00:00  (  70.33,-153.47)    3.04                21