Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and NPP
TLE Epoch: 2023 4 17.  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)
 04/18/2023   13:02:27   (  70.43, -18.91) 04/18/2023   13:01:50  (  70.41, -18.89)    2.71                37
 04/18/2023   13:51:57   ( -70.32, 148.56) 04/18/2023   13:52:32  ( -70.33, 148.56)    1.01                35
 04/21/2023   04:29:18   ( -71.01, -69.79) 04/21/2023   04:28:09  ( -71.07, -71.51)   62.24                69
 04/21/2023   05:18:55   (  70.36,  96.87) 04/21/2023   05:18:42  (  70.39,  96.92)    3.31                13
 04/21/2023   06:08:24   ( -70.31, -95.58) 04/21/2023   06:09:24  ( -70.30, -95.62)    1.75                60
 04/23/2023   20:45:53   ( -70.47,  45.27) 04/23/2023   20:44:49  ( -70.48,  45.24)    1.74                64
 04/23/2023   21:35:20   (  70.36,-147.25) 04/23/2023   21:35:33  (  70.37,-147.28)    1.88                13
 04/23/2023   22:24:57   ( -69.87,  19.69) 04/23/2023   22:26:07  ( -69.86,  20.82)   43.43                70
 04/26/2023   13:02:19   ( -70.43, 161.10) 04/26/2023   13:01:40  ( -70.43, 161.10)    0.87                39
 04/26/2023   13:51:46   (  70.32, -31.42) 04/26/2023   13:52:24  (  70.32, -31.42)    0.09                38
 04/29/2023   04:29:08   (  70.84, 109.97) 04/29/2023   04:27:57  (  70.90, 108.80)   43.13                71
 04/29/2023   05:18:44   ( -70.41, -83.05) 04/29/2023   05:18:31  ( -70.38, -83.05)    3.20                13
 04/29/2023   06:08:11   (  70.29,  84.43) 04/29/2023   06:09:15  (  70.28,  84.42)    1.49                64