Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and NPP
TLE Epoch: 2023 5 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)
 05/20/2023   13:02:13   (  70.39, -18.86) 05/20/2023   13:01:18  (  70.42, -18.87)    2.86                55
 05/20/2023   13:51:43   ( -70.28, 148.62) 05/20/2023   13:51:59  ( -70.27, 148.68)    2.65                16
 05/20/2023   14:41:23   (  69.46, -44.88) 05/20/2023   14:42:30  (  69.47, -42.82)   80.46                67
 05/23/2023   05:18:44   (  70.36,  96.97) 05/23/2023   05:18:10  (  70.35,  97.01)    2.09                34
 05/23/2023   06:08:14   ( -70.25, -95.55) 05/23/2023   06:08:52  ( -70.25, -95.52)    1.25                38
 05/25/2023   20:45:38   ( -70.90,  46.03) 05/25/2023   20:44:28  ( -70.96,  44.49)   56.41                70
 05/25/2023   21:35:14   (  70.30,-147.23) 05/25/2023   21:35:02  (  70.33,-147.19)    3.33                12
 05/25/2023   22:24:43   ( -70.26,  20.34) 05/25/2023   22:25:44  ( -70.23,  20.28)    3.33                61
 05/28/2023   13:02:17   ( -70.40, 161.15) 05/28/2023   13:01:11  ( -70.42, 161.12)    3.09                66
 05/28/2023   13:51:44   (  70.29, -31.37) 05/28/2023   13:51:54  (  70.27, -31.33)    2.16                10
 05/28/2023   14:41:20   ( -69.85, 135.65) 05/28/2023   14:42:30  ( -69.85, 136.63)   37.47                70
 05/31/2023   05:18:47   ( -70.36, -83.03) 05/31/2023   05:18:03  ( -70.37, -83.01)    0.91                44
 05/31/2023   06:08:14   (  70.24,  84.45) 05/31/2023   06:08:47  (  70.27,  84.45)    2.80                33