Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and NPP
TLE Epoch: 2023 7 18.  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)
 07/18/2023   05:19:06   ( -70.54, -82.76) 07/18/2023   05:17:54  ( -70.62, -83.48)   28.30                72
 07/18/2023   06:08:37   (  70.22,  84.42) 07/18/2023   06:08:33  (  70.23,  84.44)    1.00                 4
 07/18/2023   06:58:07   ( -70.10,-108.11) 07/18/2023   06:59:14  ( -70.10,-108.04)    2.75                67
 07/20/2023   21:35:38   ( -70.29,  32.76) 07/20/2023   21:34:42  ( -70.27,  32.83)    3.11                56
 07/20/2023   22:25:05   (  70.19,-159.74) 07/20/2023   22:25:27  (  70.20,-159.75)    1.41                22
 07/20/2023   23:14:48   ( -69.36,   6.75) 07/20/2023   23:15:55  ( -69.38,   8.78)   79.66                67
 07/23/2023   13:52:07   ( -70.23, 148.57) 07/23/2023   13:51:37  ( -70.25, 148.63)    2.76                30
 07/23/2023   14:41:34   (  70.13, -43.94) 07/23/2023   14:42:21  (  70.12, -43.87)    2.51                47
 07/26/2023   05:19:04   (  70.37,  97.02) 07/26/2023   05:17:51  (  70.37,  96.89)    5.00                73
 07/26/2023   06:08:35   ( -70.20, -95.58) 07/26/2023   06:08:32  ( -70.23, -95.58)    2.47                 3
 07/26/2023   06:58:03   (  70.04,  71.83) 07/26/2023   06:59:15  (  70.05,  71.99)    6.57                72
 07/28/2023   21:35:33   (  70.25,-147.25) 07/28/2023   21:34:44  (  70.25,-147.17)    3.02                49
 07/28/2023   22:25:03   ( -70.15,  20.23) 07/28/2023   22:25:26  ( -70.16,  20.29)    2.33                23
 07/31/2023   13:02:17   ( -71.16, 162.38) 07/31/2023   13:01:10  ( -71.19, 159.75)   94.46                67
 07/31/2023   13:51:59   (  70.23, -31.39) 07/31/2023   13:51:38  (  70.25, -31.40)    2.35                21
 07/31/2023   14:41:29   ( -70.12, 136.09) 07/31/2023   14:42:19  ( -70.10, 136.14)    3.13                50