Simultaneous Nadir Overpasses (SNOs) between NPP and LANDSAT-9
TLE Epoch: 2023 6 15.  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)
 06/17/2023   13:26:13   ( -70.43, 154.80) 06/17/2023   13:26:57  ( -70.41, 154.85)    2.54                44
 06/17/2023   14:16:57   (  70.32, -37.71) 06/17/2023   14:16:24  (  70.31, -37.65)    2.42                33
 06/20/2023   04:52:35   (  71.15, 102.08) 06/20/2023   04:53:43  (  71.05, 104.08)   72.58                68
 06/20/2023   05:43:04   ( -70.37, -89.33) 06/20/2023   05:43:23  ( -70.39, -89.29)    2.93                19
 06/20/2023   06:33:48   (  70.26,  78.15) 06/20/2023   06:32:50  (  70.29,  78.20)    3.28                58
 06/22/2023   21:09:12   (  70.42,-140.94) 06/22/2023   21:10:19  (  70.41,-141.01)    2.82                67
 06/22/2023   21:59:54   ( -70.32,  26.52) 06/22/2023   21:59:48  ( -70.35,  26.54)    3.44                 6
 06/22/2023   22:50:32   (  69.90,-165.52) 06/22/2023   22:49:20  (  69.97,-166.37)   33.17                72
 06/25/2023   13:26:03   (  70.38, -25.10) 06/25/2023   13:26:44  (  70.40, -25.14)    2.86                41
 06/25/2023   14:16:45   ( -70.28, 142.37) 06/25/2023   14:16:14  ( -70.29, 142.34)    1.68                31
 06/28/2023   04:52:24   ( -71.17, -77.94) 06/28/2023   04:53:32  ( -71.02, -75.94)   73.56                68
 06/28/2023   05:42:54   (  70.34,  90.74) 06/28/2023   05:43:09  (  70.36,  90.70)    3.05                15
 06/28/2023   06:33:36   ( -70.24,-101.79) 06/28/2023   06:32:39  ( -70.26,-101.81)    2.25                57