Simultaneous Nadir Overpasses (SNOs) between NPP and LANDSAT-9
TLE Epoch: 2023 4 16.  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)
 04/17/2023   04:53:25   (  70.46, 103.15) 04/17/2023   04:54:32  (  70.47, 103.22)    2.83                67
 04/17/2023   05:44:06   ( -70.32, -89.32) 04/17/2023   05:44:02  ( -70.36, -89.32)    3.72                 4
 04/17/2023   06:34:45   (  69.94,  78.58) 04/17/2023   06:33:33  (  70.04,  77.87)   29.03                72
 04/19/2023   21:10:16   (  70.43,-141.03) 04/19/2023   21:11:01  (  70.42,-140.98)    2.06                45
 04/19/2023   22:00:57   ( -70.29,  26.50) 04/19/2023   22:00:31  ( -70.31,  26.49)    2.39                26
 04/22/2023   13:27:07   (  70.36, -25.15) 04/22/2023   13:27:30  (  70.39, -25.16)    3.18                23
 04/22/2023   14:17:49   ( -70.27, 142.31) 04/22/2023   14:17:00  ( -70.28, 142.32)    1.19                49
 04/25/2023   04:53:18   ( -70.62, -77.09) 04/25/2023   04:54:30  ( -70.53, -76.71)   16.80                72
 04/25/2023   05:43:59   (  70.35,  90.64) 04/25/2023   05:43:58  (  70.37,  90.69)    2.52                 1
 04/25/2023   06:34:41   ( -70.26,-101.90) 04/25/2023   06:33:28  ( -70.26,-101.83)    2.54                73
 04/27/2023   21:10:06   ( -70.41,  39.02) 04/27/2023   21:10:59  ( -70.42,  39.00)    1.42                53
 04/27/2023   22:00:50   (  70.31,-153.51) 04/27/2023   22:00:26  (  70.31,-153.52)    0.29                24