Simultaneous Nadir Overpasses (SNOs) between NPP and LANDSAT-9
TLE Epoch: 2023 1 11.  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)
 01/11/2023   05:43:19   ( -70.96, -90.58) 01/11/2023   05:44:27  ( -70.85, -88.53)   75.37                68
 01/11/2023   06:33:50   (  70.16,  78.02) 01/11/2023   06:34:05  (  70.14,  78.07)    2.69                15
 01/11/2023   07:24:31   ( -70.02,-114.44) 01/11/2023   07:23:35  ( -70.03,-114.46)    1.32                56
 01/13/2023   22:00:02   ( -70.20,  26.43) 01/13/2023   22:01:06  ( -70.22,  26.42)    2.10                64
 01/13/2023   22:50:46   (  70.08,-166.09) 01/13/2023   22:50:33  (  70.11,-166.09)    2.96                13
 01/13/2023   23:41:20   ( -69.57,   2.00) 01/13/2023   23:40:09  ( -69.67,   0.93)   43.06                71
 01/16/2023   14:16:59   ( -70.18, 142.23) 01/16/2023   14:17:34  ( -70.16, 142.21)    2.52                35
 01/16/2023   15:07:43   (  70.07, -50.29) 01/16/2023   15:07:01  (  70.05, -50.30)    2.43                42
 01/19/2023   05:43:16   (  70.42,  90.30) 01/19/2023   05:44:28  (  70.33,  90.72)   19.01                72
 01/19/2023   06:33:54   ( -70.11,-101.90) 01/19/2023   06:34:00  ( -70.12,-101.95)    1.90                 6
 01/19/2023   07:24:38   (  70.01,  65.57) 01/19/2023   07:23:27  (  70.00,  65.53)    1.64                71
 01/21/2023   22:00:09   (  70.21,-153.60) 01/21/2023   22:00:56  (  70.20,-153.57)    1.60                47
 01/21/2023   22:50:51   ( -70.11,  13.87) 01/21/2023   22:50:26  ( -70.10,  13.92)    1.93                25
 01/24/2023   13:26:36   ( -71.05, 153.49) 01/24/2023   13:27:43  ( -70.93, 155.76)   83.34                67
 01/24/2023   14:17:05   (  70.17, -37.76) 01/24/2023   14:17:22  (  70.15, -37.75)    1.69                17
 01/24/2023   15:07:47   ( -70.06, 129.72) 01/24/2023   15:06:52  ( -70.05, 129.74)    1.45                55