Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and NPP
TLE Epoch: 2023 5 15.  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   ( -70.44, -83.05) 05/15/2023   05:18:15  ( -70.42, -83.09)    3.27                27
 05/15/2023   06:08:10   (  70.29,  84.37) 05/15/2023   06:08:59  (  70.31,  84.39)    2.11                49
 05/17/2023   20:45:40   (  70.53,-134.68) 05/17/2023   20:44:27  (  70.53,-134.82)    5.35                73
 05/17/2023   21:35:11   ( -70.36,  32.71) 05/17/2023   21:35:08  ( -70.38,  32.73)    2.59                 3
 05/17/2023   22:24:38   (  70.26,-159.80) 05/17/2023   22:25:51  (  70.22,-159.71)    5.06                73
 05/20/2023   13:02:08   (  70.48, -18.88) 05/20/2023   13:01:19  (  70.46, -18.93)    2.84                49
 05/20/2023   13:51:38   ( -70.36, 148.59) 05/20/2023   13:52:01  ( -70.36, 148.54)    1.98                23
 05/23/2023   05:18:35   (  70.39,  96.88) 05/23/2023   05:18:10  (  70.39,  96.95)    2.76                25
 05/23/2023   06:08:05   ( -70.29, -95.64) 05/23/2023   06:08:52  ( -70.29, -95.57)    2.57                47
 05/25/2023   20:45:33   ( -70.56,  45.37) 05/25/2023   20:44:21  ( -70.58,  45.11)    9.85                72
 05/25/2023   21:35:01   (  70.40,-147.23) 05/25/2023   21:35:03  (  70.38,-147.26)    2.49                 2
 05/25/2023   22:24:32   ( -70.24,  20.17) 05/25/2023   22:25:45  ( -70.27,  20.22)    4.45                73
 05/28/2023   13:02:01   ( -70.43, 161.06) 05/28/2023   13:01:11  ( -70.42, 161.14)    3.51                50
 05/28/2023   13:51:28   (  70.32, -31.46) 05/28/2023   13:51:55  (  70.32, -31.40)    2.22                27