Simultaneous Nadir Overpasses (SNOs) between NPP and LANDSAT-9
TLE Epoch: 2023 2 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)
 02/12/2023   05:43:27   ( -70.62, -89.98) 02/12/2023   05:44:38  ( -70.49, -89.13)   34.73                71
 02/12/2023   06:34:05   (  70.19,  78.00) 02/12/2023   06:34:09  (  70.18,  78.05)    2.82                 4
 02/12/2023   07:24:46   ( -70.05,-114.46) 02/12/2023   07:23:39  ( -70.06,-114.48)    1.27                67
 02/14/2023   22:00:14   ( -70.25,  26.39) 02/14/2023   22:01:09  ( -70.23,  26.37)    2.01                55
 02/14/2023   22:50:58   (  70.14,-166.13) 02/14/2023   22:50:36  (  70.13,-166.13)    1.12                22
 02/14/2023   23:41:26   ( -69.30,   2.42) 02/14/2023   23:40:18  ( -69.35,   0.44)   78.06                68
 02/17/2023   14:17:08   ( -70.20, 142.24) 02/17/2023   14:17:36  ( -70.19, 142.20)    2.47                28
 02/17/2023   15:07:52   (  70.10, -50.28) 02/17/2023   15:07:03  (  70.08, -50.31)    2.10                49
 02/20/2023   05:43:20   (  70.27,  90.60) 02/20/2023   05:44:32  (  70.25,  90.55)    2.93                72
 02/20/2023   06:34:02   ( -70.17,-101.93) 02/20/2023   06:34:01  ( -70.20,-101.90)    2.84                 1
 02/20/2023   07:24:43   (  69.91,  65.78) 02/20/2023   07:23:30  (  69.98,  65.43)   15.10                73
 02/22/2023   22:00:14   (  70.26,-153.60) 02/22/2023   22:00:56  (  70.26,-153.54)    2.06                42
 02/22/2023   22:50:56   ( -70.16,  13.88) 02/22/2023   22:50:26  ( -70.15,  13.93)    2.38                30
 02/25/2023   13:26:34   ( -70.93, 153.78) 02/25/2023   13:27:43  ( -70.82, 155.54)   65.50                69
 02/25/2023   14:17:06   (  70.21, -37.73) 02/25/2023   14:17:19  (  70.21, -37.71)    0.75                13
 02/25/2023   15:07:48   ( -70.10, 129.74) 02/25/2023   15:06:49  ( -70.10, 129.77)    0.96                59