Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and NPP
TLE Epoch: 2023 4 8.  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)
 04/10/2023   13:02:32   ( -70.37, 161.01) 04/10/2023   13:01:50  ( -70.34, 161.03)    3.23                42
 04/10/2023   13:51:59   (  70.26, -31.50) 04/10/2023   13:52:35  (  70.27, -31.55)    2.09                36
 04/13/2023   04:29:22   (  70.72, 109.78) 04/13/2023   04:28:11  (  70.74, 108.83)   35.03                71
 04/13/2023   05:18:57   ( -70.33, -83.16) 04/13/2023   05:18:47  ( -70.34, -83.20)    2.04                10
 04/13/2023   06:08:24   (  70.22,  84.33) 04/13/2023   06:09:31  (  70.22,  84.30)    1.35                67
 04/15/2023   20:45:52   (  70.37,-134.84) 04/15/2023   20:45:01  (  70.39,-134.82)    2.06                51
 04/15/2023   21:35:21   ( -70.31,  32.71) 04/15/2023   21:35:43  ( -70.30,  32.64)    3.31                22
 04/18/2023   12:12:34   ( -71.20, 174.67) 04/18/2023   12:11:27  ( -71.25, 172.21)   88.41                67
 04/18/2023   13:02:14   (  70.38, -18.93) 04/18/2023   13:01:56  (  70.36, -19.00)    3.16                18
 04/18/2023   13:51:44   ( -70.27, 148.54) 04/18/2023   13:52:38  ( -70.27, 148.47)    2.87                54
 04/21/2023   04:29:11   ( -70.41, -70.62) 04/21/2023   04:28:07  ( -70.40, -70.59)    2.51                64
 04/21/2023   05:18:38   (  70.30,  96.85) 04/21/2023   05:18:51  (  70.29,  96.89)    1.95                13
 04/21/2023   06:08:15   ( -69.81, -96.21) 04/21/2023   06:09:25  ( -69.77, -95.00)   46.79                70