Simultaneous Nadir Overpasses (SNOs) between NPP and LANDSAT-9
TLE Epoch: 2023 10 30.  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   ( -70.19, 142.34) 10/31/2023   14:17:20  ( -70.17, 142.26)    3.30                71
 10/31/2023   15:06:53   (  70.06, -50.16) 10/31/2023   15:06:47  (  70.07, -50.24)    2.79                 6
 10/31/2023   15:57:32   ( -69.82, 117.51) 10/31/2023   15:56:19  ( -69.84, 117.08)   16.77                73
 11/03/2023   06:33:05   ( -70.18,-101.90) 11/03/2023   06:33:46  ( -70.16,-101.85)    2.95                41
 11/03/2023   07:23:49   (  70.06,  65.60) 11/03/2023   07:23:13  (  70.06,  65.65)    1.75                36
 11/05/2023   21:59:26   (  70.65,-154.18) 11/05/2023   22:00:36  (  70.56,-153.01)   44.46                70
 11/05/2023   22:50:00   ( -70.14,  13.94) 11/05/2023   22:50:12  ( -70.11,  13.98)    3.24                12
 11/05/2023   23:40:44   (  70.02,-178.57) 11/05/2023   23:39:39  (  70.00,-178.53)    2.13                65
 11/08/2023   14:16:13   (  70.19, -37.70) 11/08/2023   14:17:07  (  70.19, -37.64)    2.18                54
 11/08/2023   15:06:54   ( -70.05, 129.83) 11/08/2023   15:06:37  ( -70.08, 129.83)    2.86                17
 11/08/2023   15:57:24   (  69.19, -61.60) 11/08/2023   15:56:17  (  69.25, -63.66)   81.42                67
 11/11/2023   06:33:06   (  70.12,  78.18) 11/11/2023   06:33:31  (  70.11,  78.15)    1.56                25
 11/11/2023   07:23:48   ( -70.03,-114.37) 11/11/2023   07:23:01  ( -70.00,-114.37)    3.22                47