Simultaneous Nadir Overpasses (SNOs) between NPP and LANDSAT-9
TLE Epoch: 2023 3 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)
 03/16/2023   05:43:40   ( -70.29, -89.45) 03/16/2023   05:44:20  ( -70.30, -89.39)    2.36                40
 03/16/2023   06:34:24   (  70.17,  78.06) 03/16/2023   06:33:48  (  70.14,  78.03)    2.98                36
 03/18/2023   21:10:04   (  70.75,-141.73) 03/18/2023   21:11:14  (  70.64,-140.65)   41.56                70
 03/18/2023   22:00:38   ( -70.24,  26.40) 03/18/2023   22:00:49  ( -70.25,  26.42)    1.64                11
 03/18/2023   22:51:22   (  70.12,-166.10) 03/18/2023   22:50:16  (  70.14,-166.09)    3.16                66
 03/21/2023   13:26:54   (  70.29, -25.23) 03/21/2023   13:27:47  (  70.32, -25.24)    2.78                53
 03/21/2023   14:17:36   ( -70.20, 142.23) 03/21/2023   14:17:17  ( -70.21, 142.24)    0.90                19
 03/21/2023   15:08:05   (  69.28, -49.10) 03/21/2023   15:06:58  (  69.32, -51.34)   87.85                67
 03/24/2023   05:43:52   (  70.27,  90.57) 03/24/2023   05:44:14  (  70.27,  90.58)    0.58                22
 03/24/2023   06:34:34   ( -70.18,-101.97) 03/24/2023   06:33:44  ( -70.17,-101.94)    1.56                50
 03/26/2023   21:10:04   ( -70.32,  38.95) 03/26/2023   21:11:12  ( -70.35,  38.94)    3.26                68
 03/26/2023   22:00:48   (  70.21,-153.56) 03/26/2023   22:00:39  (  70.23,-153.58)    3.11                 9
 03/26/2023   22:51:25   ( -69.85,  14.30) 03/26/2023   22:50:13  ( -69.91,  13.59)   27.91                72