Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and NPP
TLE Epoch: 2023 9 13.  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)
 09/14/2023   22:25:29   ( -70.16,  20.18) 09/14/2023   22:25:01  ( -70.16,  20.26)    3.06                28
 09/14/2023   23:14:56   (  70.06,-172.32) 09/14/2023   23:15:45  (  70.06,-172.27)    1.90                49
 09/17/2023   13:52:27   (  70.36, -31.27) 09/17/2023   13:51:14  (  70.39, -31.63)   13.94                73
 09/17/2023   14:41:59   ( -70.14, 136.04) 09/17/2023   14:41:53  ( -70.14, 136.08)    1.68                 6
 09/17/2023   15:31:26   (  70.04, -56.46) 09/17/2023   15:32:37  (  70.03, -56.45)    0.85                71
 09/20/2023   06:08:59   (  70.20,  84.38) 09/20/2023   06:08:03  (  70.22,  84.42)    2.14                56
 09/20/2023   06:58:29   ( -70.09,-108.14) 09/20/2023   06:58:45  ( -70.12,-108.11)    2.55                16
 09/20/2023   07:48:09   (  69.27,  58.37) 09/20/2023   07:49:15  (  69.27,  60.44)   81.29                66
 09/22/2023   22:25:27   (  70.17,-159.78) 09/22/2023   22:24:53  (  70.16,-159.71)    3.04                34
 09/22/2023   23:14:57   ( -70.07,   7.70) 09/22/2023   23:15:35  ( -70.05,   7.76)    2.81                38
 09/25/2023   13:52:21   ( -70.66, 149.17) 09/25/2023   13:51:10  ( -70.72, 147.86)   48.98                71
 09/25/2023   14:41:55   (  70.16, -43.91) 09/25/2023   14:41:45  (  70.16, -43.94)    1.12                10
 09/25/2023   15:31:25   ( -70.06, 123.58) 09/25/2023   15:32:27  ( -70.05, 123.54)    1.51                62