Simultaneous Nadir Overpasses (SNOs) between NPP and LANDSAT-9
TLE Epoch: 2023 10 29.  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)
 10/31/2023   14:16:09   ( -70.17, 142.36) 10/31/2023   14:17:20  ( -70.18, 142.29)    3.11                71
 10/31/2023   15:06:54   (  70.10, -50.22) 10/31/2023   15:06:47  (  70.08, -50.22)    2.08                 7
 10/31/2023   15:57:32   ( -69.81, 117.54) 10/31/2023   15:56:19  ( -69.85, 117.10)   17.61                73
 11/03/2023   06:33:05   ( -70.17,-101.87) 11/03/2023   06:33:46  ( -70.18,-101.83)    1.84                41
 11/03/2023   07:23:49   (  70.04,  65.62) 11/03/2023   07:23:13  (  70.07,  65.66)    3.06                36
 11/05/2023   21:59:27   (  70.68,-154.24) 11/05/2023   22:00:36  (  70.57,-152.99)   47.96                69
 11/05/2023   22:50:00   ( -70.12,  13.96) 11/05/2023   22:50:12  ( -70.13,  14.00)    1.50                12
 11/05/2023   23:40:44   (  70.00,-178.55) 11/05/2023   23:39:39  (  70.02,-178.51)    2.06                65
 11/08/2023   14:16:12   (  70.18, -37.68) 11/08/2023   14:17:06  (  70.20, -37.63)    3.14                54
 11/08/2023   15:06:54   ( -70.09, 129.78) 11/08/2023   15:06:36  ( -70.09, 129.85)    2.76                18
 11/08/2023   15:57:24   (  69.23, -61.65) 11/08/2023   15:56:16  (  69.26, -63.64)   78.44                68
 11/11/2023   06:33:06   (  70.10,  78.20) 11/11/2023   06:33:31  (  70.12,  78.16)    2.37                25
 11/11/2023   07:23:48   ( -70.01,-114.34) 11/11/2023   07:23:01  ( -70.01,-114.35)    0.46                47