Simultaneous Nadir Overpasses (SNOs) between NPP and LANDSAT-9
TLE Epoch: 2023 1 5.  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)
 01/05/2023   21:59:56   (  70.21,-153.59) 01/05/2023   22:01:08  (  70.20,-153.62)    2.25                72
 01/05/2023   22:50:38   ( -70.13,  13.86) 01/05/2023   22:50:37  ( -70.14,  13.94)    3.15                 1
 01/05/2023   23:41:19   (  69.85,-178.40) 01/05/2023   23:40:06  (  69.93,-178.72)   15.09                73
 01/08/2023   14:16:53   (  70.17, -37.76) 01/08/2023   14:17:37  (  70.18, -37.76)    0.91                44
 01/08/2023   15:07:35   ( -70.08, 129.70) 01/08/2023   15:07:07  ( -70.07, 129.72)    1.08                28
 01/11/2023   05:43:20   ( -70.98, -90.60) 01/11/2023   05:44:28  ( -70.85, -88.53)   76.63                68
 01/11/2023   06:33:49   (  70.13,  78.07) 01/11/2023   06:34:05  (  70.14,  78.06)    0.69                16
 01/11/2023   07:24:31   ( -70.04,-114.47) 01/11/2023   07:23:35  ( -70.03,-114.46)    0.68                56
 01/13/2023   22:00:02   ( -70.21,  26.41) 01/13/2023   22:01:07  ( -70.19,  26.37)    2.92                65
 01/13/2023   22:50:46   (  70.10,-166.11) 01/13/2023   22:50:34  (  70.07,-166.15)    3.33                12
 01/13/2023   23:41:21   ( -69.63,   1.91) 01/13/2023   23:40:09  ( -69.70,   0.96)   37.33                72
 01/16/2023   14:16:59   ( -70.18, 142.22) 01/16/2023   14:17:35  ( -70.16, 142.21)    2.47                36
 01/16/2023   15:07:43   (  70.07, -50.30) 01/16/2023   15:07:02  (  70.04, -50.31)    3.65                41
 01/19/2023   05:43:18   (  70.47,  90.22) 01/19/2023   05:44:30  (  70.37,  90.77)   23.75                72
 01/19/2023   06:33:56   ( -70.16,-101.97) 01/19/2023   06:34:02  ( -70.16,-101.90)    2.86                 6
 01/19/2023   07:24:39   (  70.00,  65.58) 01/19/2023   07:23:30  (  69.99,  65.50)    3.28                69