Simultaneous Nadir Overpasses (SNOs) between NPP and LANDSAT-9
TLE Epoch: 2023 9 16.  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)
 09/16/2023   05:42:58   (  70.92,  89.63) 09/16/2023   05:44:06  (  70.79,  91.42)   66.85                68
 09/16/2023   06:33:28   ( -70.19,-101.89) 09/16/2023   06:33:45  ( -70.18,-101.85)    2.19                17
 09/16/2023   07:24:12   (  70.08,  65.58) 09/16/2023   07:23:12  (  70.08,  65.65)    2.66                60
 09/18/2023   21:59:38   (  70.26,-153.54) 09/18/2023   22:00:45  (  70.24,-153.51)    2.68                67
 09/18/2023   22:50:19   ( -70.11,  14.00) 09/18/2023   22:50:15  ( -70.13,  13.96)    2.42                 4
 09/18/2023   23:40:58   (  69.74,-178.13) 09/18/2023   23:39:46  (  69.80,-178.85)   28.56                72
 09/21/2023   14:16:28   (  70.19, -37.66) 09/21/2023   14:17:13  (  70.21, -37.67)    1.89                45
 09/21/2023   15:07:10   ( -70.09, 129.81) 09/21/2023   15:06:43  ( -70.10, 129.81)    0.92                27
 09/24/2023   06:33:19   (  70.13,  78.21) 09/24/2023   06:33:42  (  70.15,  78.13)    3.44                23
 09/24/2023   07:24:01   ( -70.03,-114.32) 09/24/2023   07:23:12  ( -70.04,-114.39)    2.99                49
 09/26/2023   21:59:30   ( -70.39,  26.28) 09/26/2023   22:00:41  ( -70.34,  26.65)   14.66                71
 09/26/2023   22:50:11   (  70.13,-166.01) 09/26/2023   22:50:10  (  70.11,-166.03)    2.46                 1
 09/26/2023   23:40:53   ( -70.03,   1.46) 09/26/2023   23:39:40  ( -70.01,   1.46)    2.03                73
 09/29/2023   14:16:19   ( -70.23, 142.30) 09/29/2023   14:17:10  ( -70.22, 142.37)    3.14                51
 09/29/2023   15:07:02   (  70.09, -50.17) 09/29/2023   15:06:37  (  70.10, -50.16)    1.19                25