Simultaneous Nadir Overpasses (SNOs) between NPP and LANDSAT-9
TLE Epoch: 2023 1 15.  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)
 01/16/2023   14:16:58   ( -70.15, 142.27) 01/16/2023   14:17:33  ( -70.18, 142.25)    2.99                35
 01/16/2023   15:07:43   (  70.09, -50.33) 01/16/2023   15:07:00  (  70.07, -50.26)    3.07                43
 01/19/2023   05:43:17   (  70.45,  90.25) 01/19/2023   05:44:28  (  70.35,  90.74)   21.78                71
 01/19/2023   06:33:55   ( -70.15,-101.95) 01/19/2023   06:34:00  ( -70.13,-101.94)    2.20                 5
 01/19/2023   07:24:39   (  70.03,  65.53) 01/19/2023   07:23:27  (  70.02,  65.55)    2.01                72
 01/21/2023   22:00:08   (  70.19,-153.57) 01/21/2023   22:00:55  (  70.20,-153.58)    0.41                47
 01/21/2023   22:50:50   ( -70.10,  13.90) 01/21/2023   22:50:25  ( -70.09,  13.90)    0.65                25
 01/24/2023   13:26:34   ( -70.99, 153.59) 01/24/2023   13:27:42  ( -70.89, 155.71)   77.65                68
 01/24/2023   14:17:04   (  70.16, -37.74) 01/24/2023   14:17:20  (  70.18, -37.71)    2.42                16
 01/24/2023   15:07:46   ( -70.06, 129.73) 01/24/2023   15:06:50  ( -70.07, 129.77)    2.32                56
 01/27/2023   05:43:16   ( -70.23, -89.40) 01/27/2023   05:44:18  ( -70.24, -89.37)    1.09                62
 01/27/2023   06:34:00   (  70.13,  78.07) 01/27/2023   06:33:45  (  70.12,  78.11)    2.08                15
 01/27/2023   07:24:33   ( -69.55,-113.74) 01/27/2023   07:23:22  ( -69.63,-114.94)   47.16                71