Simultaneous Nadir Overpasses (SNOs) between NPP and LANDSAT-9
TLE Epoch: 2023 8 18.  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)
 08/20/2023   13:26:13   ( -70.50, 154.53) 08/20/2023   13:27:24  ( -70.43, 155.05)   20.58                71
 08/20/2023   14:16:53   (  70.17, -37.65) 08/20/2023   14:16:54  (  70.17, -37.69)    1.57                 1
 08/20/2023   15:07:35   ( -70.08, 129.80) 08/20/2023   15:06:23  ( -70.11, 129.85)    3.08                72
 08/23/2023   05:43:02   ( -70.24, -89.29) 08/23/2023   05:43:55  ( -70.24, -89.34)    1.88                53
 08/23/2023   06:33:46   (  70.13,  78.19) 08/23/2023   06:33:22  (  70.13,  78.15)    1.53                24
 08/23/2023   07:24:13   ( -69.24,-113.20) 08/23/2023   07:23:05  ( -69.31,-115.35)   85.09                68
 08/25/2023   21:59:55   ( -70.20,  26.54) 08/25/2023   22:00:23  ( -70.18,  26.47)    3.36                28
 08/25/2023   22:50:39   (  70.09,-165.99) 08/25/2023   22:49:50  (  70.07,-166.04)    2.92                49
 08/28/2023   13:26:08   (  70.37, -25.27) 08/28/2023   13:27:19  (  70.31, -25.08)    9.72                71
 08/28/2023   14:16:48   ( -70.16, 142.36) 08/28/2023   14:16:50  ( -70.15, 142.32)    2.17                 2
 08/28/2023   15:07:30   (  69.95, -50.01) 08/28/2023   15:06:18  (  69.98, -50.27)   10.44                72
 08/31/2023   05:42:58   (  70.24,  90.70) 08/31/2023   05:43:45  (  70.25,  90.73)    1.76                47
 08/31/2023   06:33:40   ( -70.14,-101.83) 08/31/2023   06:33:15  ( -70.15,-101.78)    1.98                25