Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and NPP
TLE Epoch: 2023 4 12.  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)
 04/13/2023   04:29:24   (  70.84, 109.94) 04/13/2023   04:28:14  (  70.91, 108.55)   51.65                70
 04/13/2023   05:19:01   ( -70.34, -83.16) 04/13/2023   05:18:47  ( -70.36, -83.23)    3.36                14
 04/13/2023   06:08:28   (  70.24,  84.33) 04/13/2023   06:09:31  (  70.23,  84.27)    2.37                63
 04/15/2023   20:46:01   (  70.40,-134.84) 04/15/2023   20:45:01  (  70.40,-134.85)    0.84                60
 04/15/2023   21:35:31   ( -70.29,  32.63) 04/15/2023   21:35:42  ( -70.27,  32.69)    3.21                11
 04/15/2023   22:25:08   (  69.63,-160.64) 04/15/2023   22:26:16  (  69.62,-159.01)   63.05                68
 04/18/2023   13:02:30   (  70.39, -18.97) 04/18/2023   13:01:57  (  70.38, -19.03)    2.70                33
 04/18/2023   13:52:00   ( -70.29, 148.50) 04/18/2023   13:52:39  ( -70.29, 148.43)    2.65                39
 04/21/2023   04:29:26   ( -70.77, -70.18) 04/21/2023   04:28:15  ( -70.84, -71.30)   41.65                71
 04/21/2023   05:18:59   (  70.33,  96.81) 04/21/2023   05:18:52  (  70.36,  96.78)    3.00                 7
 04/21/2023   06:08:29   ( -70.23, -95.71) 04/21/2023   06:09:33  ( -70.21, -95.67)    2.27                64
 04/23/2023   20:46:02   ( -70.39,  45.11) 04/23/2023   20:45:03  ( -70.41,  45.17)    3.15                59
 04/23/2023   21:35:28   (  70.33,-147.33) 04/23/2023   21:35:47  (  70.30,-147.35)    3.38                19