Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and NPP
TLE Epoch: 2023 5 14.  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)
 05/15/2023   05:18:42   ( -70.42, -83.08) 05/15/2023   05:18:15  ( -70.44, -83.12)    2.21                27
 05/15/2023   06:08:09   (  70.32,  84.42) 05/15/2023   06:08:59  (  70.33,  84.36)    2.24                50
 05/17/2023   20:45:40   (  70.50,-134.72) 05/17/2023   20:44:27  (  70.55,-134.85)    7.49                73
 05/17/2023   21:35:10   ( -70.39,  32.75) 05/17/2023   21:35:08  ( -70.40,  32.70)    2.43                 2
 05/17/2023   22:24:38   (  70.23,-159.84) 05/17/2023   22:25:51  (  70.24,-159.74)    4.09                73
 05/20/2023   13:02:08   (  70.43, -18.94) 05/20/2023   13:01:18  (  70.42, -18.88)    2.55                50
 05/20/2023   13:51:38   ( -70.32, 148.53) 05/20/2023   13:52:00  ( -70.33, 148.59)    2.47                22
 05/23/2023   05:18:34   (  70.44,  96.95) 05/23/2023   05:18:11  (  70.41,  96.92)    3.33                23
 05/23/2023   06:08:04   ( -70.33, -95.58) 05/23/2023   06:08:53  ( -70.31, -95.61)    2.80                49
 05/25/2023   20:45:33   ( -70.47,  45.24) 05/25/2023   20:44:19  ( -70.50,  45.24)    3.01                74
 05/25/2023   21:35:00   (  70.36,-147.28) 05/25/2023   21:35:02  (  70.35,-147.22)    2.64                 2
 05/25/2023   22:24:31   ( -70.20,  20.12) 05/25/2023   22:25:43  ( -70.19,  20.34)    8.52                72