Simultaneous Nadir Overpasses (SNOs) between NPP and LANDSAT-9
TLE Epoch: 2023 1 29.  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)
 01/29/2023   22:00:11   ( -70.21,  26.42) 01/29/2023   22:01:08  ( -70.24,  26.41)    3.37                57
 01/29/2023   22:50:55   (  70.10,-166.10) 01/29/2023   22:50:36  (  70.09,-166.16)    2.56                19
 01/29/2023   23:41:25   ( -69.37,   2.30) 01/29/2023   23:40:16  ( -69.42,   0.56)   68.23                69
 02/01/2023   14:17:07   ( -70.20, 142.21) 02/01/2023   14:17:40  ( -70.18, 142.20)    2.20                33
 02/01/2023   15:07:51   (  70.09, -50.32) 02/01/2023   15:07:07  (  70.08, -50.30)    1.33                44
 02/04/2023   05:43:25   (  70.56,  90.09) 02/04/2023   05:44:36  (  70.48,  90.87)   30.43                71
 02/04/2023   06:34:01   ( -70.15,-101.94) 02/04/2023   06:34:10  ( -70.15,-101.97)    1.41                 9
 02/04/2023   07:24:45   (  70.04,  65.54) 02/04/2023   07:23:37  (  70.05,  65.53)    1.01                68
 02/06/2023   22:00:15   (  70.26,-153.65) 02/06/2023   22:01:10  (  70.26,-153.57)    2.87                55
 02/06/2023   22:50:57   ( -70.15,  13.83) 02/06/2023   22:50:40  ( -70.16,  13.91)    3.00                17
 02/06/2023   23:41:27   (  69.31,-177.61) 02/06/2023   23:40:19  (  69.39,-179.51)   75.12                68
 02/09/2023   14:17:09   (  70.17, -37.73) 02/09/2023   14:17:41  (  70.18, -37.81)    3.38                32
 02/09/2023   15:07:51   ( -70.06, 129.74) 02/09/2023   15:07:11  ( -70.08, 129.67)    3.21                40