Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and NPP
TLE Epoch: 2023 4 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)
 04/13/2023   04:29:23   (  70.67, 109.72) 04/13/2023   04:28:11  (  70.73, 108.85)   32.28                72
 04/13/2023   05:18:57   ( -70.34, -83.15) 04/13/2023   05:18:47  ( -70.33, -83.19)    1.51                10
 04/13/2023   06:08:24   (  70.23,  84.35) 04/13/2023   06:09:31  (  70.21,  84.32)    2.99                67
 04/15/2023   20:45:51   (  70.38,-134.83) 04/15/2023   20:45:00  (  70.38,-134.80)    1.08                51
 04/15/2023   21:35:21   ( -70.26,  32.64) 04/15/2023   21:35:42  ( -70.29,  32.66)    2.91                21
 04/18/2023   12:12:34   ( -71.20, 174.67) 04/18/2023   12:11:27  ( -71.24, 172.23)   87.70                67
 04/18/2023   13:02:15   (  70.32, -19.01) 04/18/2023   13:01:56  (  70.35, -18.98)    2.81                19
 04/18/2023   13:51:44   ( -70.27, 148.54) 04/18/2023   13:52:38  ( -70.26, 148.48)    2.52                54
 04/21/2023   04:29:11   ( -70.41, -70.63) 04/21/2023   04:28:07  ( -70.39, -70.57)    3.34                64
 04/21/2023   05:18:38   (  70.29,  96.84) 04/21/2023   05:18:51  (  70.27,  96.91)    3.27                13
 04/21/2023   06:08:16   ( -69.74, -96.29) 04/21/2023   06:09:25  ( -69.76, -94.98)   50.50                69
 04/23/2023   20:45:34   ( -70.35,  45.18) 04/23/2023   20:45:03  ( -70.37,  45.23)    3.16                31
 04/23/2023   21:35:00   (  70.28,-147.27) 04/23/2023   21:35:47  (  70.26,-147.29)    2.55                47