Simultaneous Nadir Overpasses (SNOs) between NPP and LANDSAT-9
TLE Epoch: 2025 7 18.  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)
 07/19/2025   04:53:16   ( -70.96, -77.89) 07/19/2025   04:54:24  ( -70.85, -76.10)   66.15                68
 07/19/2025   05:43:49   (  70.24,  90.58) 07/19/2025   05:44:00  (  70.26,  90.66)    3.18                11
 07/19/2025   06:34:30   ( -70.13,-101.92) 07/19/2025   06:33:30  ( -70.15,-101.87)    2.96                60
 07/21/2025   21:09:59   ( -70.31,  38.95) 07/21/2025   21:11:05  ( -70.28,  38.93)    2.86                66
 07/21/2025   22:00:43   (  70.17,-153.52) 07/21/2025   22:00:32  (  70.17,-153.58)    2.52                11
 07/21/2025   22:51:18   ( -69.73,  14.46) 07/21/2025   22:50:07  ( -69.79,  13.52)   36.89                71
 07/24/2025   13:26:54   ( -70.28, 154.77) 07/24/2025   13:27:35  ( -70.30, 154.83)    3.00                41
 07/24/2025   14:17:38   (  70.14, -37.71) 07/24/2025   14:17:03  (  70.13, -37.76)    2.36                35
 07/27/2025   04:53:18   (  70.96, 102.12) 07/27/2025   04:54:26  (  70.84, 103.89)   65.74                68
 07/27/2025   05:43:48   ( -70.26, -89.42) 07/27/2025   05:44:05  ( -70.25, -89.36)    2.98                17
 07/27/2025   06:34:32   (  70.13,  78.10) 07/27/2025   06:33:32  (  70.13,  78.12)    1.03                60
 07/29/2025   21:10:01   (  70.32,-141.05) 07/29/2025   21:11:05  (  70.33,-140.99)    2.69                64
 07/29/2025   22:00:42   ( -70.20,  26.46) 07/29/2025   22:00:36  ( -70.18,  26.42)    2.27                 6
 07/29/2025   22:51:19   (  69.69,-165.47) 07/29/2025   22:50:08  (  69.79,-166.49)   40.59                71