Simultaneous Nadir Overpasses (SNOs) between NPP and LANDSAT-9
TLE Epoch: 2023 12 26.  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)
 12/26/2023   14:16:10   (  70.98, -38.96) 12/26/2023   14:17:17  (  70.90, -36.69)   82.78                67
 12/26/2023   15:06:37   ( -70.10, 129.77) 12/26/2023   15:06:59  ( -70.13, 129.79)    3.28                22
 12/26/2023   15:57:21   (  69.98, -62.74) 12/26/2023   15:56:27  (  69.97, -62.78)    1.82                54
 12/29/2023   06:32:52   (  70.16,  78.11) 12/29/2023   06:33:58  (  70.19,  78.13)    2.78                66
 12/29/2023   07:23:34   ( -70.07,-114.43) 12/29/2023   07:23:28  ( -70.08,-114.40)    1.37                 6
 12/29/2023   08:14:12   (  69.64,  53.53) 12/29/2023   08:13:00  (  69.69,  52.72)   31.95                72
 12/31/2023   22:49:48   (  70.15,-166.11) 12/31/2023   22:50:25  (  70.15,-166.03)    2.76                37
 12/31/2023   23:40:29   ( -70.00,   1.44) 12/31/2023   23:39:56  ( -69.99,   1.37)    3.10                33
 01/03/2024   14:16:09   ( -70.67, 141.52) 01/03/2024   14:17:19  ( -70.57, 142.83)   49.30                70
 01/03/2024   15:06:44   (  70.09, -50.26) 01/03/2024   15:06:53  (  70.08, -50.25)    1.33                 9
 01/03/2024   15:57:26   ( -69.99, 117.22) 01/03/2024   15:56:23  ( -69.97, 117.24)    2.10                63
 01/06/2024   06:32:56   ( -70.15,-101.89) 01/06/2024   06:33:53  ( -70.14,-101.91)    1.18                57
 01/06/2024   07:23:40   (  70.04,  65.58) 01/06/2024   07:23:20  (  70.03,  65.57)    1.96                20
 01/06/2024   08:14:09   ( -69.25,-125.94) 01/06/2024   08:13:01  ( -69.32,-127.77)   72.08                68
 01/08/2024   22:49:52   ( -70.11,  13.94) 01/08/2024   22:50:19  ( -70.11,  13.94)    0.31                27
 01/08/2024   23:40:36   (  70.01,-178.60) 01/08/2024   23:39:46  (  69.99,-178.58)    1.79                50