Simultaneous Nadir Overpasses (SNOs) between NPP and LANDSAT-9
TLE Epoch: 2023 1 27.  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)
 01/27/2023   05:43:21   ( -70.54, -89.88) 01/27/2023   05:44:33  ( -70.44, -89.16)   28.86                72
 01/27/2023   06:33:59   (  70.11,  78.10) 01/27/2023   06:34:04  (  70.12,  78.03)    3.42                 5
 01/27/2023   07:24:41   ( -70.02,-114.44) 01/27/2023   07:23:34  ( -70.01,-114.50)    2.66                67
 01/29/2023   22:00:11   ( -70.21,  26.42) 01/29/2023   22:01:08  ( -70.24,  26.41)    2.87                57
 01/29/2023   22:50:55   (  70.10,-166.10) 01/29/2023   22:50:36  (  70.08,-166.17)    3.24                19
 01/29/2023   23:41:25   ( -69.37,   2.29) 01/29/2023   23:40:16  ( -69.42,   0.56)   68.32                69
 02/01/2023   14:17:07   ( -70.20, 142.20) 02/01/2023   14:17:39  ( -70.22, 142.25)    2.48                32
 02/01/2023   15:07:51   (  70.10, -50.32) 02/01/2023   15:07:06  (  70.11, -50.25)    3.36                45
 02/04/2023   05:43:25   (  70.57,  90.08) 02/04/2023   05:44:36  (  70.44,  90.81)   31.23                71
 02/04/2023   06:34:01   ( -70.16,-101.95) 02/04/2023   06:34:09  ( -70.17,-101.95)    1.28                 8
 02/04/2023   07:24:45   (  70.05,  65.52) 02/04/2023   07:23:36  (  70.06,  65.55)    1.33                69
 02/06/2023   22:00:14   (  70.22,-153.59) 02/06/2023   22:01:09  (  70.24,-153.59)    2.61                55
 02/06/2023   22:50:56   ( -70.12,  13.89) 02/06/2023   22:50:39  ( -70.14,  13.89)    2.52                17
 02/06/2023   23:41:26   (  69.27,-177.55) 02/06/2023   23:40:19  (  69.31,-179.60)   80.72                67
 02/09/2023   14:17:09   (  70.19, -37.77) 02/09/2023   14:17:39  (  70.18, -37.81)    1.93                30
 02/09/2023   15:07:51   ( -70.09, 129.71) 02/09/2023   15:07:09  ( -70.08, 129.68)    1.50                42