Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and NPP
TLE Epoch: 2023 1 10.  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)
 01/12/2023   13:52:48   ( -70.26, 148.52) 01/12/2023   13:51:35  ( -70.29, 148.41)    5.18                73
 01/12/2023   14:42:16   (  70.10, -44.07) 01/12/2023   14:42:18  (  70.12, -44.02)    2.58                 2
 01/12/2023   15:31:46   ( -69.99, 123.41) 01/12/2023   15:32:59  ( -69.97, 123.51)    4.31                73
 01/15/2023   06:09:16   ( -70.21, -95.67) 01/15/2023   06:08:31  ( -70.21, -95.70)    1.05                45
 01/15/2023   06:58:43   (  70.10,  71.82) 01/15/2023   06:59:15  (  70.09,  71.78)    1.29                32
 01/17/2023   21:36:04   (  70.73,-146.65) 01/17/2023   21:34:54  (  70.76,-148.13)   54.43                70
 01/17/2023   22:25:42   ( -70.18,  20.18) 01/17/2023   22:25:27  ( -70.19,  20.10)    3.02                15
 01/17/2023   23:15:10   (  70.01,-172.42) 01/17/2023   23:16:10  (  70.03,-172.34)    3.05                60
 01/20/2023   13:52:39   (  70.24, -31.49) 01/20/2023   13:51:41  (  70.22, -31.51)    1.29                58
 01/20/2023   14:42:09   ( -70.13, 135.99) 01/20/2023   14:42:23  ( -70.12, 135.97)    1.32                14
 01/20/2023   15:31:47   (  69.41, -57.36) 01/20/2023   15:32:55  (  69.38, -55.62)   68.10                68
 01/23/2023   06:09:06   (  70.16,  84.29) 01/23/2023   06:08:37  (  70.17,  84.35)    2.82                29
 01/23/2023   06:58:36   ( -70.05,-108.22) 01/23/2023   06:59:19  ( -70.07,-108.17)    2.35                43