Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and NPP
TLE Epoch: 2023 7 19.  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)
 07/20/2023   21:35:38   ( -70.30,  32.77) 07/20/2023   21:34:43  ( -70.32,  32.76)    2.09                55
 07/20/2023   22:25:05   (  70.20,-159.73) 07/20/2023   22:25:27  (  70.19,-159.74)    1.17                22
 07/20/2023   23:14:48   ( -69.37,   6.76) 07/20/2023   23:15:55  ( -69.37,   8.79)   79.68                67
 07/23/2023   13:52:07   ( -70.24, 148.58) 07/23/2023   13:51:37  ( -70.24, 148.64)    2.32                30
 07/23/2023   14:41:34   (  70.14, -43.92) 07/23/2023   14:42:22  (  70.17, -43.94)    3.34                48
 07/26/2023   05:19:04   (  70.38,  97.04) 07/26/2023   05:17:52  (  70.41,  96.82)    8.97                72
 07/26/2023   06:08:35   ( -70.21, -95.57) 07/26/2023   06:08:32  ( -70.22, -95.57)    0.87                 3
 07/26/2023   06:58:03   (  70.05,  71.84) 07/26/2023   06:59:15  (  70.05,  72.01)    6.26                72
 07/28/2023   21:35:32   (  70.27,-147.23) 07/28/2023   21:34:43  (  70.25,-147.16)    3.56                49
 07/28/2023   22:25:02   ( -70.16,  20.25) 07/28/2023   22:25:25  ( -70.16,  20.29)    1.78                23
 07/31/2023   13:02:17   ( -71.17, 162.39) 07/31/2023   13:01:10  ( -71.19, 159.75)   94.80                67
 07/31/2023   13:51:59   (  70.24, -31.38) 07/31/2023   13:51:38  (  70.25, -31.40)    1.12                21
 07/31/2023   14:41:29   ( -70.13, 136.10) 07/31/2023   14:42:20  ( -70.15, 136.06)    2.83                51