Simultaneous Nadir Overpasses (SNOs) between NPP and LANDSAT-9
TLE Epoch: 2025 7 21.  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)
 07/21/2025   21:09:59   ( -70.31,  38.95) 07/21/2025   21:11:04  ( -70.33,  39.00)    2.59                65
 07/21/2025   22:00:43   (  70.17,-153.52) 07/21/2025   22:00:32  (  70.17,-153.59)    2.44                11
 07/21/2025   22:51:18   ( -69.74,  14.45) 07/21/2025   22:50:07  ( -69.79,  13.50)   36.74                71
 07/24/2025   13:26:54   ( -70.29, 154.76) 07/24/2025   13:27:35  ( -70.29, 154.82)    2.16                41
 07/24/2025   14:17:38   (  70.15, -37.71) 07/24/2025   14:17:03  (  70.13, -37.77)    3.18                35
 07/27/2025   04:53:18   (  70.96, 102.12) 07/27/2025   04:54:26  (  70.83, 103.88)   65.60                68
 07/27/2025   05:43:47   ( -70.22, -89.35) 07/27/2025   05:44:05  ( -70.23, -89.38)    2.29                18
 07/27/2025   06:34:32   (  70.13,  78.09) 07/27/2025   06:33:32  (  70.12,  78.11)    0.81                60
 07/29/2025   21:10:01   (  70.32,-141.05) 07/29/2025   21:11:05  (  70.32,-141.01)    1.72                64
 07/29/2025   22:00:42   ( -70.20,  26.46) 07/29/2025   22:00:35  ( -70.22,  26.48)    2.33                 7
 07/29/2025   22:51:19   (  69.69,-165.47) 07/29/2025   22:50:08  (  69.77,-166.50)   40.88                71
 08/01/2025   13:26:55   (  70.26, -25.18) 08/01/2025   13:27:35  (  70.29, -25.17)    3.19                40
 08/01/2025   14:17:37   ( -70.19, 142.25) 08/01/2025   14:17:05  ( -70.19, 142.32)    2.59                32