Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and NPP
TLE Epoch: 2025 9 18.  Predictions up to the next  14.0 days:

     Date     Time(LANDSAT-8) LANDSAT-8 Lat/Lon Date Time(NPP) NPP Lat/Lon    Distance(km)  Time Diff(sec)
 09/19/2025   20:46:43   ( -70.35,  45.16) 09/19/2025   20:45:38  ( -70.34,  45.19)    1.41                65
 09/19/2025   21:36:10   (  70.25,-147.34) 09/19/2025   21:36:22  (  70.24,-147.34)    1.30                12
 09/19/2025   22:25:47   ( -69.75,  19.60) 09/19/2025   22:26:57  ( -69.76,  20.71)   42.76                70
 09/22/2025   13:03:13   ( -70.30, 160.97) 09/22/2025   13:02:37  ( -70.33, 160.97)    2.88                36
 09/22/2025   13:52:40   (  70.20, -31.53) 09/22/2025   13:53:20  (  70.18, -31.49)    2.83                40
 09/25/2025   04:30:10   (  70.56, 109.61) 09/25/2025   04:28:58  (  70.60, 108.98)   23.48                72
 09/25/2025   05:19:43   ( -70.29, -83.16) 09/25/2025   05:19:36  ( -70.27, -83.18)    2.58                 7
 09/25/2025   06:09:10   (  70.19,  84.33) 09/25/2025   06:10:20  (  70.18,  84.28)    2.23                70
 09/27/2025   20:46:44   (  70.31,-134.88) 09/27/2025   20:45:53  (  70.34,-134.84)    3.34                51
 09/27/2025   21:36:14   ( -70.21,  32.60) 09/27/2025   21:36:35  ( -70.22,  32.67)    2.74                21
 09/30/2025   12:13:32   ( -71.19, 174.69) 09/30/2025   12:12:25  ( -71.27, 172.07)   94.15                67
 09/30/2025   13:03:13   (  70.32, -18.99) 09/30/2025   13:02:52  (  70.30, -19.02)    2.50                21
 09/30/2025   13:52:43   ( -70.22, 148.49) 09/30/2025   13:53:35  ( -70.22, 148.42)    2.72                52