Simultaneous Nadir Overpasses (SNOs) between NPP and LANDSAT-9
TLE Epoch: 2023 4 25.  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)
 04/27/2023   21:10:06   ( -70.45,  38.96) 04/27/2023   21:10:58  ( -70.43,  39.01)    2.93                52
 04/27/2023   22:00:50   (  70.33,-153.55) 04/27/2023   22:00:25  (  70.32,-153.49)    2.55                25
 04/27/2023   22:51:16   ( -69.40,  15.15) 04/27/2023   22:50:09  ( -69.44,  12.91)   87.77                67
 04/30/2023   13:26:57   ( -70.40, 154.80) 04/30/2023   13:27:25  ( -70.38, 154.83)    3.25                28
 04/30/2023   14:17:41   (  70.30, -37.72) 04/30/2023   14:16:52  (  70.27, -37.68)    3.16                49
 05/03/2023   04:53:08   (  70.58, 102.99) 05/03/2023   04:54:20  (  70.51, 103.27)   12.93                72
 05/03/2023   05:43:47   ( -70.32, -89.29) 05/03/2023   05:43:51  ( -70.34, -89.34)    2.71                 4
 05/03/2023   06:34:31   (  70.22,  78.18) 05/03/2023   06:33:18  (  70.23,  78.15)    1.93                73
 05/05/2023   21:09:55   (  70.40,-140.96) 05/05/2023   21:10:45  (  70.43,-140.96)    2.68                50
 05/05/2023   22:00:37   ( -70.30,  26.52) 05/05/2023   22:00:15  ( -70.32,  26.52)    1.61                22
 05/05/2023   22:51:04   (  69.30,-164.69) 05/05/2023   22:49:58  (  69.32,-167.21)   99.33                66
 05/08/2023   13:26:45   (  70.34, -25.08) 05/08/2023   13:27:10  (  70.36, -25.16)    3.26                25
 05/08/2023   14:17:27   ( -70.24, 142.39) 05/08/2023   14:16:40  ( -70.25, 142.32)    3.03                47