Simultaneous Nadir Overpasses (SNOs) between NPP and LANDSAT-9
TLE Epoch: 2023 1 12.  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)
 01/13/2023   22:00:02   ( -70.21,  26.41) 01/13/2023   22:01:06  ( -70.21,  26.40)    0.30                64
 01/13/2023   22:50:46   (  70.09,-166.10) 01/13/2023   22:50:33  (  70.10,-166.10)    1.27                13
 01/13/2023   23:41:20   ( -69.58,   1.99) 01/13/2023   23:40:09  ( -69.66,   0.92)   42.48                71
 01/16/2023   14:16:59   ( -70.19, 142.21) 01/16/2023   14:17:33  ( -70.21, 142.28)    3.32                34
 01/16/2023   15:07:43   (  70.08, -50.31) 01/16/2023   15:07:00  (  70.10, -50.23)    3.65                43
 01/19/2023   05:43:16   (  70.43,  90.28) 01/19/2023   05:44:28  (  70.33,  90.72)   20.07                72
 01/19/2023   06:33:54   ( -70.13,-101.92) 01/19/2023   06:34:00  ( -70.12,-101.96)    1.78                 6
 01/19/2023   07:24:38   (  70.02,  65.56) 01/19/2023   07:23:27  (  70.00,  65.53)    1.92                71
 01/21/2023   22:00:09   (  70.22,-153.62) 01/21/2023   22:00:56  (  70.21,-153.57)    2.73                47
 01/21/2023   22:50:51   ( -70.12,  13.86) 01/21/2023   22:50:26  ( -70.10,  13.92)    3.17                25
 01/24/2023   13:26:36   ( -71.07, 153.47) 01/24/2023   13:27:43  ( -70.93, 155.77)   84.39                67
 01/24/2023   14:17:05   (  70.18, -37.78) 01/24/2023   14:17:22  (  70.16, -37.74)    2.68                17
 01/24/2023   15:07:47   ( -70.08, 129.70) 01/24/2023   15:06:52  ( -70.06, 129.75)    2.68                55