Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and NPP
TLE Epoch: 2023 4 7.  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)
 04/07/2023   20:46:07   ( -70.40,  45.16) 04/07/2023   20:44:54  ( -70.38,  45.19)    2.04                73
 04/07/2023   21:35:34   (  70.30,-147.34) 04/07/2023   21:35:39  (  70.31,-147.39)    2.12                 5
 04/07/2023   22:25:06   ( -70.07,  19.96) 04/07/2023   22:26:18  ( -70.07,  20.30)   12.78                72
 04/10/2023   13:02:32   ( -70.39, 161.04) 04/10/2023   13:01:51  ( -70.37, 160.98)    3.05                41
 04/10/2023   13:52:00   (  70.23, -31.55) 04/10/2023   13:52:35  (  70.25, -31.52)    2.38                35
 04/13/2023   04:29:23   (  70.68, 109.73) 04/13/2023   04:28:12  (  70.77, 108.78)   36.41                71
 04/13/2023   05:18:58   ( -70.30, -83.21) 04/13/2023   05:18:47  ( -70.32, -83.17)    2.88                11
 04/13/2023   06:08:24   (  70.19,  84.28) 04/13/2023   06:09:30  (  70.20,  84.33)    2.21                66
 04/15/2023   20:45:51   (  70.39,-134.81) 04/15/2023   20:45:00  (  70.37,-134.79)    2.94                51
 04/15/2023   21:35:21   ( -70.28,  32.67) 04/15/2023   21:35:42  ( -70.28,  32.68)    0.84                21
 04/18/2023   12:12:35   ( -71.17, 174.62) 04/18/2023   12:11:27  ( -71.23, 172.25)   85.21                68
 04/18/2023   13:02:15   (  70.34, -18.98) 04/18/2023   13:01:56  (  70.33, -18.96)    1.26                19
 04/18/2023   13:51:45   ( -70.24, 148.50) 04/18/2023   13:52:38  ( -70.24, 148.51)    0.59                53