Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and NPP
TLE Epoch: 2023 5 20.  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)
 05/20/2023   13:02:12   (  70.41, -18.83) 05/20/2023   13:01:17  (  70.40, -18.84)    1.47                55
 05/20/2023   13:51:42   ( -70.30, 148.64) 05/20/2023   13:51:59  ( -70.31, 148.62)    1.07                17
 05/20/2023   14:41:22   (  69.48, -44.86) 05/20/2023   14:42:29  (  69.45, -42.79)   80.72                67
 05/23/2023   05:18:43   (  70.37,  96.99) 05/23/2023   05:18:10  (  70.38,  96.96)    1.75                33
 05/23/2023   06:08:13   ( -70.26, -95.54) 05/23/2023   06:08:51  ( -70.23, -95.49)    3.27                38
 05/25/2023   20:45:38   ( -70.90,  46.03) 05/25/2023   20:44:28  ( -70.94,  44.51)   55.45                70
 05/25/2023   21:35:14   (  70.30,-147.23) 05/25/2023   21:35:02  (  70.32,-147.17)    2.67                12
 05/25/2023   22:24:44   ( -70.20,  20.25) 05/25/2023   22:25:44  ( -70.22,  20.30)    3.18                60
 05/28/2023   13:02:16   ( -70.43, 161.20) 05/28/2023   13:01:11  ( -70.42, 161.14)    3.15                65
 05/28/2023   13:51:44   (  70.27, -31.39) 05/28/2023   13:51:54  (  70.26, -31.31)    3.12                10
 05/28/2023   14:41:20   ( -69.84, 135.63) 05/28/2023   14:42:30  ( -69.85, 136.64)   38.82                70
 05/31/2023   05:18:45   ( -70.38, -82.99) 05/31/2023   05:18:02  ( -70.36, -83.01)    1.94                43
 05/31/2023   06:08:12   (  70.27,  84.49) 05/31/2023   06:08:46  (  70.26,  84.46)    1.34                34
 06/02/2023   20:45:33   (  71.06,-133.70) 06/02/2023   20:44:25  (  71.11,-135.76)   74.51                68
 06/02/2023   21:35:15   ( -70.30,  32.78) 06/02/2023   21:34:54  ( -70.32,  32.84)    2.60                21
 06/02/2023   22:24:41   (  70.24,-159.66) 06/02/2023   22:25:38  (  70.22,-159.70)    2.89                57