Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and NPP
TLE Epoch: 2023 3 13.  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)
 03/14/2023   21:35:55   ( -70.30,  32.65) 03/14/2023   21:35:11  ( -70.29,  32.67)    0.98                44
 03/14/2023   22:25:22   (  70.20,-159.85) 03/14/2023   22:25:56  (  70.22,-159.91)    3.40                34
 03/17/2023   13:02:47   (  70.72, -18.48) 03/17/2023   13:01:36  (  70.80, -19.69)   45.26                71
 03/17/2023   13:52:23   ( -70.28, 148.50) 03/17/2023   13:52:10  ( -70.29, 148.44)    2.27                13
 03/17/2023   14:41:50   (  70.18, -44.00) 03/17/2023   14:42:54  (  70.16, -44.06)    2.35                64
 03/20/2023   05:19:21   (  70.33,  96.82) 03/20/2023   05:18:26  (  70.33,  96.82)    0.50                55
 03/20/2023   06:08:51   ( -70.22, -95.70) 03/20/2023   06:09:08  ( -70.24, -95.72)    2.74                17
 03/20/2023   06:58:30   (  69.39,  70.80) 03/20/2023   06:59:37  (  69.38,  72.88)   81.34                67
 03/22/2023   21:35:47   (  70.27,-147.37) 03/22/2023   21:35:23  (  70.31,-147.37)    3.44                24
 03/22/2023   22:25:17   ( -70.17,  20.11) 03/22/2023   22:26:04  ( -70.16,  20.17)    2.61                47
 03/25/2023   13:02:46   ( -70.35, 160.98) 03/25/2023   13:01:36  ( -70.35, 161.01)    1.48                70
 03/25/2023   13:52:13   (  70.23, -31.54) 03/25/2023   13:52:20  (  70.24, -31.50)    1.85                 7
 03/25/2023   14:41:46   ( -69.96, 135.71) 03/25/2023   14:42:58  ( -69.94, 136.29)   22.30                72