Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and NPP
TLE Epoch: 2025 9 15.  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)
 09/17/2025   04:30:00   ( -71.05, -69.65) 09/17/2025   04:28:52  ( -71.07, -71.76)   76.37                68
 09/17/2025   05:19:38   (  70.30,  96.86) 09/17/2025   05:19:22  (  70.29,  96.82)    1.57                16
 09/17/2025   06:09:08   ( -70.18, -95.67) 09/17/2025   06:10:04  ( -70.18, -95.69)    0.79                56
 09/19/2025   20:46:42   ( -70.37,  45.19) 09/19/2025   20:45:38  ( -70.37,  45.14)    2.19                64
 09/19/2025   21:36:10   (  70.21,-147.39) 09/19/2025   21:36:21  (  70.22,-147.32)    3.09                11
 09/19/2025   22:25:46   ( -69.77,  19.62) 09/19/2025   22:26:56  ( -69.74,  20.73)   42.81                70
 09/22/2025   13:03:13   ( -70.33, 161.01) 09/22/2025   13:02:37  ( -70.31, 161.00)    1.57                36
 09/22/2025   13:52:40   (  70.22, -31.50) 09/22/2025   13:53:21  (  70.22, -31.55)    1.77                41
 09/25/2025   04:30:11   (  70.53, 109.56) 09/25/2025   04:28:58  (  70.59, 109.00)   21.74                73
 09/25/2025   05:19:44   ( -70.26, -83.20) 09/25/2025   05:19:36  ( -70.26, -83.15)    2.03                 8
 09/25/2025   06:09:11   (  70.15,  84.28) 09/25/2025   06:10:20  (  70.17,  84.29)    1.51                69
 09/27/2025   20:46:44   (  70.34,-134.84) 09/27/2025   20:45:53  (  70.33,-134.83)    0.90                51
 09/27/2025   21:36:13   ( -70.24,  32.64) 09/27/2025   21:36:35  ( -70.26,  32.60)    2.60                22