Simultaneous Nadir Overpasses (SNOs) between NPP and LANDSAT-9
TLE Epoch: 2023 4 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)
 04/17/2023   04:53:24   (  70.43, 103.19) 04/17/2023   04:54:28  (  70.46, 103.21)    2.73                64
 04/17/2023   05:44:06   ( -70.35, -89.36) 04/17/2023   05:43:58  ( -70.34, -89.33)    1.55                 8
 04/17/2023   06:34:42   (  69.81,  78.78) 04/17/2023   06:33:32  (  69.85,  77.62)   44.54                70
 04/19/2023   21:10:16   (  70.40,-140.99) 04/19/2023   21:10:54  (  70.41,-140.97)    0.69                38
 04/19/2023   22:00:58   ( -70.31,  26.47) 04/19/2023   22:00:24  ( -70.29,  26.49)    2.75                34
 04/22/2023   12:36:35   ( -71.07, 166.39) 04/22/2023   12:37:44  ( -70.92, 168.05)   62.07                69
 04/22/2023   13:27:08   (  70.38, -25.18) 04/22/2023   13:27:19  (  70.38, -25.13)    2.27                11
 04/22/2023   14:17:49   ( -70.24, 142.36) 04/22/2023   14:16:49  ( -70.26, 142.34)    2.72                60
 04/25/2023   04:53:14   ( -70.43, -76.79) 04/25/2023   04:54:16  ( -70.42, -76.81)    1.23                62
 04/25/2023   05:43:58   (  70.32,  90.69) 04/25/2023   05:43:43  (  70.31,  90.67)    1.65                15
 04/25/2023   06:34:31   ( -69.75,-101.13) 04/25/2023   06:33:20  ( -69.81,-102.40)   49.10                71
 04/27/2023   21:10:05   ( -70.37,  39.08) 04/27/2023   21:10:40  ( -70.37,  39.02)    2.13                35
 04/27/2023   22:00:49   (  70.27,-153.46) 04/27/2023   22:00:07  (  70.26,-153.50)    2.17                42