Simultaneous Nadir Overpasses (SNOs) between NPP and LANDSAT-9
TLE Epoch: 2023 10 19.  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)
 10/20/2023   22:49:54   ( -70.18,  13.93) 10/20/2023   22:50:24  ( -70.16,  13.98)    3.27                30
 10/20/2023   23:40:38   (  70.06,-178.58) 10/20/2023   23:39:51  (  70.05,-178.52)    2.15                47
 10/23/2023   14:16:10   (  70.33, -37.87) 10/23/2023   14:17:22  (  70.29, -37.58)   11.95                72
 10/23/2023   15:06:50   ( -70.14, 129.75) 10/23/2023   15:06:53  ( -70.12, 129.81)    3.17                 3
 10/23/2023   15:57:33   (  69.97, -62.68) 10/23/2023   15:56:21  (  69.96, -62.77)    3.69                72
 10/26/2023   06:33:03   (  70.15,  78.18) 10/26/2023   06:33:52  (  70.15,  78.11)    2.74                49
 10/26/2023   07:23:45   ( -70.06,-114.37) 10/26/2023   07:23:22  ( -70.04,-114.41)    2.98                23
 10/28/2023   21:59:31   ( -71.14,  25.02) 10/28/2023   22:00:37  ( -71.00,  27.64)   95.46                66
 10/28/2023   22:49:58   (  70.14,-166.04) 10/28/2023   22:50:18  (  70.13,-166.03)    1.29                20
 10/28/2023   23:40:40   ( -70.05,   1.42) 10/28/2023   23:39:48  ( -70.02,   1.45)    3.15                52
 10/31/2023   14:16:09   ( -70.20, 142.32) 10/31/2023   14:17:18  ( -70.18, 142.29)    2.57                69
 10/31/2023   15:06:53   (  70.09, -50.20) 10/31/2023   15:06:45  (  70.06, -50.22)    2.81                 8
 10/31/2023   15:57:30   ( -69.73, 117.65) 10/31/2023   15:56:18  ( -69.80, 117.03)   24.87                72