Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and NPP
TLE Epoch: 2022 12 31.  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)
 01/01/2023   22:25:50   ( -70.20,  20.19) 01/01/2023   22:25:12  ( -70.18,  20.13)    2.76                38
 01/01/2023   23:15:18   (  70.04,-172.40) 01/01/2023   23:15:56  (  70.06,-172.37)    2.68                38
 01/04/2023   13:52:45   (  70.51, -31.11) 01/04/2023   13:51:34  (  70.59, -32.06)   36.35                71
 01/04/2023   14:42:20   ( -70.13, 135.97) 01/04/2023   14:42:09  ( -70.13, 135.98)    0.62                11
 01/04/2023   15:31:47   (  70.02, -56.54) 01/04/2023   15:32:53  (  70.01, -56.53)    1.49                66
 01/07/2023   06:09:19   (  70.20,  84.32) 01/07/2023   06:08:24  (  70.18,  84.36)    3.07                55
 01/07/2023   06:58:49   ( -70.10,-108.20) 01/07/2023   06:59:06  ( -70.08,-108.18)    1.84                17
 01/07/2023   07:48:30   (  69.21,  58.24) 01/07/2023   07:49:36  (  69.22,  60.39)   84.90                66
 01/09/2023   22:25:48   (  70.14,-159.89) 01/09/2023   22:25:21  (  70.14,-159.82)    2.69                27
 01/09/2023   23:15:18   ( -70.03,   7.60) 01/09/2023   23:16:03  ( -70.04,   7.65)    2.06                45
 01/12/2023   13:52:47   ( -70.28, 148.55) 01/12/2023   13:51:34  ( -70.27, 148.43)    4.29                73
 01/12/2023   14:42:15   (  70.10, -44.05) 01/12/2023   14:42:17  (  70.11, -44.01)    1.93                 2
 01/12/2023   15:31:45   ( -70.00, 123.44) 01/12/2023   15:32:58  ( -69.96, 123.54)    6.48                73