Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and NPP
TLE Epoch: 2023 4 6.  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   ( -70.42,  45.19) 04/07/2023   20:44:55  ( -70.42,  45.13)    2.06                72
 04/07/2023   21:35:34   (  70.31,-147.32) 04/07/2023   21:35:39  (  70.29,-147.36)    3.12                 5
 04/07/2023   22:25:06   ( -70.09,  19.99) 04/07/2023   22:26:18  ( -70.05,  20.33)   13.38                72
 04/10/2023   13:02:32   ( -70.36, 160.99) 04/10/2023   13:01:50  ( -70.35, 161.00)    0.62                42
 04/10/2023   13:51:59   (  70.25, -31.52) 04/10/2023   13:52:34  (  70.23, -31.50)    2.01                35
 04/13/2023   04:29:22   (  70.70, 109.76) 04/13/2023   04:28:11  (  70.76, 108.81)   35.49                71
 04/13/2023   05:18:57   ( -70.32, -83.18) 04/13/2023   05:18:46  ( -70.30, -83.14)    2.12                11
 04/13/2023   06:08:24   (  70.20,  84.31) 04/13/2023   06:09:30  (  70.18,  84.35)    2.96                66
 04/15/2023   20:45:51   (  70.41,-134.79) 04/15/2023   20:45:01  (  70.40,-134.84)    2.19                50
 04/15/2023   21:35:21   ( -70.30,  32.69) 04/15/2023   21:35:43  ( -70.31,  32.62)    2.94                22
 04/18/2023   12:12:35   ( -71.18, 174.64) 04/18/2023   12:11:27  ( -71.21, 172.28)   84.66                68
 04/18/2023   13:02:15   (  70.35, -18.97) 04/18/2023   13:01:57  (  70.37, -19.02)    2.85                18
 04/18/2023   13:51:45   ( -70.25, 148.51) 04/18/2023   13:52:38  ( -70.22, 148.53)    2.71                53