Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and NPP
TLE Epoch: 2023 3 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)
 03/12/2023   05:19:26   ( -70.33, -83.18) 03/12/2023   05:18:13  ( -70.37, -83.21)    4.08                73
 03/12/2023   06:08:53   (  70.23,  84.32) 03/12/2023   06:08:57  (  70.24,  84.30)    1.29                 4
 03/12/2023   06:58:24   ( -70.06,-108.29) 03/12/2023   06:59:37  ( -70.05,-108.09)    7.59                73
 03/14/2023   21:35:55   ( -70.30,  32.66) 03/14/2023   21:35:11  ( -70.29,  32.67)    1.41                44
 03/14/2023   22:25:22   (  70.20,-159.85) 03/14/2023   22:25:56  (  70.22,-159.91)    3.22                34
 03/17/2023   13:02:47   (  70.73, -18.47) 03/17/2023   13:01:36  (  70.79, -19.69)   45.31                71
 03/17/2023   13:52:23   ( -70.29, 148.51) 03/17/2023   13:52:10  ( -70.28, 148.45)    2.31                13
 03/17/2023   14:41:50   (  70.18, -44.00) 03/17/2023   14:42:54  (  70.16, -44.05)    2.83                64
 03/20/2023   05:19:21   (  70.33,  96.83) 03/20/2023   05:18:26  (  70.33,  96.82)    0.23                55
 03/20/2023   06:08:51   ( -70.22, -95.70) 03/20/2023   06:09:08  ( -70.24, -95.72)    1.86                17
 03/20/2023   06:58:31   (  69.40,  70.80) 03/20/2023   06:59:38  (  69.38,  72.88)   81.27                67
 03/22/2023   21:35:47   (  70.28,-147.37) 03/22/2023   21:35:23  (  70.30,-147.36)    2.73                24
 03/22/2023   22:25:17   ( -70.17,  20.11) 03/22/2023   22:26:04  ( -70.16,  20.18)    3.07                47
 03/25/2023   13:02:46   ( -70.35, 160.98) 03/25/2023   13:01:36  ( -70.35, 161.02)    1.55                70
 03/25/2023   13:52:13   (  70.23, -31.54) 03/25/2023   13:52:20  (  70.24, -31.49)    1.90                 7
 03/25/2023   14:41:47   ( -69.91, 135.63) 03/25/2023   14:42:58  ( -69.93, 136.30)   25.40                71