Simultaneous Nadir Overpasses (SNOs) between NPP and LANDSAT-9
TLE Epoch: 2023 4 24.  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)
 04/25/2023   04:53:18   ( -70.62, -77.10) 04/25/2023   04:54:29  ( -70.58, -76.64)   17.57                71
 04/25/2023   05:43:59   (  70.35,  90.64) 04/25/2023   05:43:58  (  70.37,  90.70)    3.18                 1
 04/25/2023   06:34:41   ( -70.27,-101.91) 04/25/2023   06:33:28  ( -70.26,-101.84)    2.78                73
 04/27/2023   21:10:06   ( -70.41,  39.01) 04/27/2023   21:10:59  ( -70.42,  39.00)    0.49                53
 04/27/2023   22:00:49   (  70.30,-153.51) 04/27/2023   22:00:25  (  70.31,-153.51)    0.98                24
 04/27/2023   22:51:16   ( -69.42,  15.12) 04/27/2023   22:50:08  ( -69.48,  12.97)   84.32                68
 04/30/2023   13:26:56   ( -70.37, 154.85) 04/30/2023   13:27:25  ( -70.38, 154.82)    1.05                29
 04/30/2023   14:17:40   (  70.27, -37.68) 04/30/2023   14:16:52  (  70.27, -37.69)    0.54                48
 05/03/2023   04:53:08   (  70.60, 102.95) 05/03/2023   04:54:20  (  70.51, 103.28)   15.47                72
 05/03/2023   05:43:47   ( -70.34, -89.33) 05/03/2023   05:43:51  ( -70.35, -89.33)    0.58                 4
 05/03/2023   06:34:31   (  70.24,  78.14) 05/03/2023   06:33:18  (  70.24,  78.16)    0.64                73
 05/05/2023   21:09:56   (  70.43,-141.00) 05/05/2023   21:10:46  (  70.45,-140.93)    3.40                50
 05/05/2023   22:00:38   ( -70.33,  26.48) 05/05/2023   22:00:16  ( -70.34,  26.55)    2.96                22