Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and NPP
TLE Epoch: 2022 12 25.  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)
 12/27/2022   13:52:39   ( -70.88, 149.46) 12/27/2022   13:51:31  ( -70.97, 147.33)   77.92                68
 12/27/2022   14:42:18   (  70.13, -44.02) 12/27/2022   14:42:01  (  70.11, -43.98)    2.00                17
 12/27/2022   15:31:48   ( -70.02, 123.46) 12/27/2022   15:32:43  ( -70.02, 123.47)    0.91                55
 12/30/2022   06:09:21   ( -70.22, -95.65) 12/30/2022   06:08:15  ( -70.21, -95.69)    1.36                66
 12/30/2022   06:58:48   (  70.11,  71.84) 12/30/2022   06:58:59  (  70.10,  71.81)    2.09                11
 12/30/2022   07:48:24   ( -69.68,-121.14) 12/30/2022   07:49:35  ( -69.69,-120.26)   33.75                71
 01/01/2023   22:25:51   ( -70.19,  20.18) 01/01/2023   22:25:13  ( -70.20,  20.10)    3.18                38
 01/01/2023   23:15:19   (  70.03,-172.41) 01/01/2023   23:15:56  (  70.03,-172.33)    3.10                37
 01/04/2023   13:52:46   (  70.52, -31.09) 01/04/2023   13:51:35  (  70.61, -32.10)   38.26                71
 01/04/2023   14:42:21   ( -70.15, 135.99) 01/04/2023   14:42:10  ( -70.14, 135.96)    1.41                11
 01/04/2023   15:31:48   (  70.03, -56.53) 01/04/2023   15:32:54  (  70.03, -56.56)    1.34                66
 01/07/2023   06:09:20   (  70.18,  84.29) 01/07/2023   06:08:24  (  70.19,  84.34)    2.04                56
 01/07/2023   06:58:50   ( -70.08,-108.22) 01/07/2023   06:59:06  ( -70.09,-108.19)    1.22                16
 01/07/2023   07:48:30   (  69.25,  58.28) 01/07/2023   07:49:37  (  69.29,  60.30)   79.35                67