Simultaneous Nadir Overpasses (SNOs) between NPP and LANDSAT-9
TLE Epoch: 2023 5 12.  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)
 05/13/2023   21:09:49   ( -70.44,  38.98) 05/13/2023   21:10:49  ( -70.44,  39.02)    1.48                60
 05/13/2023   22:00:33   (  70.33,-153.53) 05/13/2023   22:00:16  (  70.34,-153.48)    2.20                17
 05/13/2023   22:51:05   ( -69.71,  14.72) 05/13/2023   22:49:55  ( -69.73,  13.30)   55.08                70
 05/16/2023   13:26:42   ( -70.41, 154.81) 05/16/2023   13:27:17  ( -70.41, 154.85)    1.64                35
 05/16/2023   14:17:26   (  70.30, -37.71) 05/16/2023   14:16:44  (  70.30, -37.65)    2.29                42
 05/19/2023   04:52:59   (  70.85, 102.55) 05/19/2023   04:54:09  (  70.72, 103.57)   39.96                70
 05/19/2023   05:43:33   ( -70.33, -89.30) 05/19/2023   05:43:44  ( -70.34, -89.36)    2.72                11
 05/19/2023   06:34:17   (  70.22,  78.17) 05/19/2023   06:33:11  (  70.23,  78.13)    1.89                66
 05/21/2023   21:09:44   (  70.41,-140.98) 05/21/2023   21:10:41  (  70.40,-141.02)    2.57                57
 05/21/2023   22:00:26   ( -70.31,  26.50) 05/21/2023   22:00:11  ( -70.29,  26.45)    3.04                15
 05/21/2023   22:50:57   (  69.52,-165.01) 05/21/2023   22:49:49  (  69.57,-166.91)   74.00                68
 05/24/2023   13:26:36   (  70.36, -25.12) 05/24/2023   13:27:07  (  70.37, -25.18)    2.57                31
 05/24/2023   14:17:18   ( -70.25, 142.36) 05/24/2023   14:16:37  ( -70.26, 142.30)    2.61                41