Simultaneous Nadir Overpasses (SNOs) between NPP and LANDSAT-9
TLE Epoch: 2023 5 8.  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)
 05/08/2023   13:26:46   (  70.38, -25.15) 05/08/2023   13:27:19  (  70.36, -25.20)    3.00                33
 05/08/2023   14:17:28   ( -70.30, 142.31) 05/08/2023   14:16:48  ( -70.30, 142.35)    1.63                40
 05/11/2023   04:53:03   ( -71.01, -77.70) 05/11/2023   04:54:12  ( -70.93, -76.11)   58.08                69
 05/11/2023   05:43:36   (  70.33,  90.72) 05/11/2023   05:43:48  (  70.34,  90.65)    3.09                12
 05/11/2023   06:34:18   ( -70.23,-101.82) 05/11/2023   06:33:18  ( -70.23,-101.89)    2.65                60
 05/13/2023   21:09:43   ( -70.43,  39.02) 05/13/2023   21:10:49  ( -70.44,  39.03)    1.00                66
 05/13/2023   22:00:27   (  70.33,-153.51) 05/13/2023   22:00:16  (  70.34,-153.48)    1.23                11
 05/13/2023   22:51:03   ( -69.92,  14.44) 05/13/2023   22:49:51  ( -69.95,  13.60)   32.08                72
 05/16/2023   13:26:33   ( -70.39, 154.87) 05/16/2023   13:27:17  ( -70.41, 154.86)    2.17                44
 05/16/2023   14:17:17   (  70.29, -37.67) 05/16/2023   14:16:44  (  70.30, -37.65)    1.17                33
 05/19/2023   04:52:55   (  71.25, 101.92) 05/19/2023   04:54:02  (  71.11, 104.17)   82.18                67
 05/19/2023   05:43:22   ( -70.36, -89.30) 05/19/2023   05:43:44  ( -70.35, -89.35)    2.45                22
 05/19/2023   06:34:06   (  70.26,  78.16) 05/19/2023   06:33:10  (  70.29,  78.21)    3.33                56
 05/21/2023   21:09:30   (  70.44,-140.96) 05/21/2023   21:10:40  (  70.46,-140.93)    2.34                70
 05/21/2023   22:00:12   ( -70.34,  26.52) 05/21/2023   22:00:10  ( -70.36,  26.55)    2.53                 2
 05/21/2023   22:50:52   (  70.03,-165.70) 05/21/2023   22:49:40  (  70.08,-166.21)   19.87                72