Simultaneous Nadir Overpasses (SNOs) between NPP and LANDSAT-9
TLE Epoch: 2023 10 13.  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)
 10/15/2023   14:16:09   ( -70.63, 141.70) 10/15/2023   14:17:19  ( -70.52, 142.75)   40.83                70
 10/15/2023   15:06:46   (  70.15, -50.23) 10/15/2023   15:06:51  (  70.14, -50.16)    2.88                 5
 10/15/2023   15:57:27   ( -70.01, 117.31) 10/15/2023   15:56:21  ( -70.03, 117.32)    2.67                66
 10/18/2023   06:32:57   ( -70.16,-101.80) 10/18/2023   06:33:55  ( -70.18,-101.87)    3.37                58
 10/18/2023   07:23:42   (  70.10,  65.61) 10/18/2023   07:23:22  (  70.07,  65.63)    3.00                20
 10/18/2023   08:14:11   ( -69.32,-125.93) 10/18/2023   08:13:02  ( -69.42,-127.65)   68.22                69
 10/20/2023   22:49:54   ( -70.18,  13.93) 10/20/2023   22:50:24  ( -70.17,  14.01)    3.09                30
 10/20/2023   23:40:36   (  70.02,-178.51) 10/20/2023   23:39:51  (  70.01,-178.58)    2.96                45
 10/23/2023   14:16:09   (  70.37, -37.92) 10/23/2023   14:17:20  (  70.33, -37.51)   16.24                71
 10/23/2023   15:06:48   ( -70.12, 129.79) 10/23/2023   15:06:52  ( -70.12, 129.82)    1.15                 4
 10/23/2023   15:57:32   (  70.01, -62.73) 10/23/2023   15:56:19  (  70.00, -62.70)    1.42                73
 10/26/2023   06:33:01   (  70.18,  78.15) 10/26/2023   06:33:50  (  70.17,  78.15)    1.03                49
 10/26/2023   07:23:43   ( -70.08,-114.39) 10/26/2023   07:23:20  ( -70.07,-114.37)    1.93                23