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   (  70.86, 109.98) 04/13/2023   04:28:14  (  70.89, 108.59)   50.87                70
 04/13/2023   05:19:02   ( -70.31, -83.21) 04/13/2023   05:18:47  ( -70.33, -83.19)    2.81                15
 04/13/2023   06:08:29   (  70.21,  84.29) 04/13/2023   06:09:31  (  70.21,  84.31)    0.78                62
 04/15/2023   20:46:00   (  70.42,-134.81) 04/15/2023   20:45:01  (  70.43,-134.89)    3.17                59
 04/15/2023   21:35:30   ( -70.31,  32.67) 04/15/2023   21:35:42  ( -70.29,  32.65)    2.05                12
 04/15/2023   22:25:08   (  69.60,-160.68) 04/15/2023   22:26:16  (  69.64,-159.05)   63.37                68
 04/18/2023   13:02:30   (  70.36, -19.02) 04/18/2023   13:01:56  (  70.35, -18.98)    2.11                34
 04/18/2023   13:52:00   ( -70.25, 148.46) 04/18/2023   13:52:38  ( -70.26, 148.48)    0.98                38
 04/21/2023   04:29:26   ( -70.79, -70.15) 04/21/2023   04:28:15  ( -70.81, -71.25)   40.36                71
 04/21/2023   05:18:59   (  70.35,  96.84) 04/21/2023   05:18:52  (  70.33,  96.83)    3.05                 7
 04/21/2023   06:08:29   ( -70.25, -95.68) 04/21/2023   06:09:34  ( -70.23, -95.71)    2.10                65
 04/23/2023   20:46:02   ( -70.40,  45.14) 04/23/2023   20:45:04  ( -70.43,  45.14)    2.27                58
 04/23/2023   21:35:29   (  70.29,-147.38) 04/23/2023   21:35:48  (  70.32,-147.38)    2.69                19
 04/23/2023   22:25:10   ( -69.59,  19.27) 04/23/2023   22:26:18  ( -69.59,  21.05)   68.96                68
 04/26/2023   13:02:30   ( -70.40, 161.00) 04/26/2023   13:01:58  ( -70.37, 161.01)    3.51                32
 04/26/2023   13:51:57   (  70.28, -31.52) 04/26/2023   13:52:42  (  70.26, -31.51)    2.43                45