Simultaneous Nadir Overpasses (SNOs) between NPP and LANDSAT-9
TLE Epoch: 2025 8 20.  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)
 08/22/2025   21:10:04   ( -70.81,  38.27) 08/22/2025   21:11:14  ( -70.68,  39.50)   47.34                70
 08/22/2025   22:00:39   (  70.26,-153.54) 08/22/2025   22:00:46  (  70.26,-153.48)    2.27                 7
 08/22/2025   22:51:20   ( -70.13,  13.98) 08/22/2025   22:50:16  ( -70.14,  13.98)    0.71                64
 08/25/2025   13:26:48   ( -70.33, 154.84) 08/25/2025   13:27:49  ( -70.32, 154.85)    0.67                61
 08/25/2025   14:17:32   (  70.20, -37.66) 08/25/2025   14:17:16  (  70.22, -37.65)    1.82                16
 08/25/2025   15:08:04   ( -69.59, 130.57) 08/25/2025   15:06:54  ( -69.67, 129.21)   53.48                70
 08/28/2025   05:43:41   ( -70.26, -89.28) 08/28/2025   05:44:19  ( -70.27, -89.34)    2.23                38
 08/28/2025   06:34:25   (  70.15,  78.20) 08/28/2025   06:33:46  (  70.17,  78.15)    2.71                39
 08/30/2025   21:10:02   (  70.83,-141.73) 08/30/2025   21:11:12  (  70.69,-140.46)   48.74                70
 08/30/2025   22:00:35   ( -70.26,  26.51) 08/30/2025   22:00:48  ( -70.26,  26.53)    0.83                13
 08/30/2025   22:51:19   (  70.15,-166.02) 08/30/2025   22:50:15  (  70.15,-165.98)    1.24                64
 09/02/2025   13:26:45   (  70.31, -25.10) 09/02/2025   13:27:46  (  70.34, -25.11)    2.81                61
 09/02/2025   14:17:27   ( -70.21, 142.37) 09/02/2025   14:17:16  ( -70.23, 142.37)    2.38                11
 09/02/2025   15:08:01   (  69.58, -49.37) 09/02/2025   15:06:52  (  69.62, -50.83)   57.07                69