Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and NPP
TLE Epoch: 2022 12 19.  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)
 12/19/2022   14:42:20   ( -70.16, 136.04) 12/19/2022   14:41:51  ( -70.17, 135.96)    2.78                29
 12/19/2022   15:31:48   (  70.01, -56.54) 12/19/2022   15:32:35  (  70.04, -56.54)    3.39                47
 12/22/2022   06:09:18   (  70.19,  84.33) 12/22/2022   06:08:07  (  70.21,  84.33)    2.40                71
 12/22/2022   06:58:48   ( -70.08,-108.20) 12/22/2022   06:58:48  ( -70.07,-108.14)    2.37                 0
 12/22/2022   07:48:18   (  69.81,  59.07) 12/22/2022   07:49:29  (  69.79,  59.60)   20.46                71
 12/24/2022   22:25:45   (  70.14,-159.85) 12/24/2022   22:25:04  (  70.13,-159.78)    2.89                41
 12/24/2022   23:15:15   ( -70.03,   7.62) 12/24/2022   23:15:46  ( -70.04,   7.68)    2.53                31
 12/27/2022   13:52:36   ( -70.62, 149.09) 12/27/2022   13:51:25  ( -70.65, 147.86)   45.33                71
 12/27/2022   14:42:10   (  70.12, -43.99) 12/27/2022   14:42:01  (  70.11, -43.98)    1.14                 9
 12/27/2022   15:31:40   ( -70.01, 123.49) 12/27/2022   15:32:43  ( -70.02, 123.48)    0.59                63
 12/30/2022   06:09:09   ( -70.20, -95.63) 12/30/2022   06:08:15  ( -70.21, -95.67)    1.83                54
 12/30/2022   06:58:36   (  70.08,  71.85) 12/30/2022   06:58:59  (  70.09,  71.81)    2.05                23
 12/30/2022   07:48:20   ( -69.21,-121.71) 12/30/2022   07:49:27  ( -69.26,-119.64)   81.65                67
 01/01/2023   21:35:52   (  70.96,-146.23) 01/01/2023   21:34:45  (  71.03,-148.56)   84.68                67
 01/01/2023   22:25:35   ( -70.15,  20.19) 01/01/2023   22:25:12  ( -70.14,  20.20)    0.64                23
 01/01/2023   23:15:02   (  70.03,-172.34) 01/01/2023   23:15:56  (  70.03,-172.33)    0.68                54