Simultaneous Nadir Overpasses (SNOs) between NPP and LANDSAT-9
TLE Epoch: 2023 7 14.  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)
 07/14/2023   05:43:10   (  70.28,  90.72) 07/14/2023   05:43:46  (  70.28,  90.67)    2.04                36
 07/14/2023   06:33:52   ( -70.20,-101.84) 07/14/2023   06:33:15  ( -70.21,-101.79)    2.59                37
 07/16/2023   21:09:31   ( -70.88,  38.20) 07/16/2023   21:10:41  ( -70.78,  39.66)   54.59                70
 07/16/2023   22:00:05   (  70.24,-153.45) 07/16/2023   22:00:16  (  70.24,-153.49)    1.74                11
 07/16/2023   22:50:47   ( -70.16,  13.99) 07/16/2023   22:49:46  ( -70.13,  13.98)    2.93                61
 07/19/2023   13:26:16   ( -70.33, 154.86) 07/19/2023   13:27:18  ( -70.34, 154.90)    2.47                62
 07/19/2023   14:17:00   (  70.20, -37.64) 07/19/2023   14:16:46  (  70.19, -37.69)    2.58                14
 07/19/2023   15:07:33   ( -69.64, 130.52) 07/19/2023   15:06:23  ( -69.69, 129.25)   49.26                70
 07/22/2023   05:43:11   ( -70.30, -89.33) 07/22/2023   05:43:48  ( -70.27, -89.33)    3.27                37
 07/22/2023   06:33:55   (  70.18,  78.16) 07/22/2023   06:33:15  (  70.16,  78.16)    1.90                40
 07/24/2023   21:09:30   (  70.73,-141.58) 07/24/2023   21:10:40  (  70.65,-140.50)   40.63                70
 07/24/2023   22:00:04   ( -70.22,  26.55) 07/24/2023   22:00:16  ( -70.22,  26.49)    2.26                12
 07/24/2023   22:50:48   (  70.10,-165.96) 07/24/2023   22:49:43  (  70.11,-166.02)    2.28                65
 07/27/2023   13:26:17   (  70.30, -25.12) 07/27/2023   13:27:14  (  70.31, -25.13)    0.89                57
 07/27/2023   14:16:59   ( -70.20, 142.34) 07/27/2023   14:16:44  ( -70.20, 142.36)    0.80                15
 07/27/2023   15:07:30   (  69.40, -49.16) 07/27/2023   15:06:22  (  69.48, -51.00)   72.30                68