Simultaneous Nadir Overpasses (SNOs) between NPP and LANDSAT-9
TLE Epoch: 2023 9 27.  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)
 09/29/2023   14:16:17   ( -70.18, 142.38) 09/29/2023   14:17:08  ( -70.21, 142.36)    3.17                51
 09/29/2023   15:07:01   (  70.08, -50.15) 09/29/2023   15:06:35  (  70.10, -50.15)    2.80                26
 09/29/2023   15:57:27   ( -69.14, 118.54) 09/29/2023   15:56:20  ( -69.17, 116.21)   92.44                67
 10/02/2023   06:33:07   ( -70.16,-101.81) 10/02/2023   06:33:33  ( -70.17,-101.79)    1.40                26
 10/02/2023   07:23:51   (  70.06,  65.66) 10/02/2023   07:23:00  (  70.06,  65.69)    1.27                51
 10/04/2023   21:59:17   (  70.31,-153.57) 10/04/2023   22:00:28  (  70.26,-153.40)    8.17                71
 10/04/2023   22:49:57   ( -70.10,  14.07) 10/04/2023   22:49:59  ( -70.10,  14.00)    2.81                 2
 10/04/2023   23:40:39   (  69.90,-178.31) 10/04/2023   23:39:27  (  69.93,-178.60)   11.54                72
 10/07/2023   14:16:06   (  70.21, -37.63) 10/07/2023   14:16:53  (  70.19, -37.60)    2.25                47
 10/07/2023   15:06:48   ( -70.11, 129.85) 10/07/2023   15:06:23  ( -70.09, 129.89)    2.60                25
 10/10/2023   05:42:29   ( -71.16, -90.69) 10/10/2023   05:43:35  ( -71.07, -88.00)   97.36                66
 10/10/2023   06:32:55   (  70.12,  78.29) 10/10/2023   06:33:17  (  70.14,  78.23)    2.85                22
 10/10/2023   07:23:37   ( -70.02,-114.23) 10/10/2023   07:22:47  ( -70.03,-114.28)    2.69                50