Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and NOAA-19
TLE Epoch: 2021 1 7.  Predictions up to the next  14.0 days:

     Date     Time(LANDSAT-8) LANDSAT-8 Lat/Lon Date Time(NOAA-19) NOAA-19 Lat/Lon    Distance(km)  Time Diff(sec)
 01/08/2021   02:54:06   (  80.16, 165.40) 01/08/2021   02:53:56  (  80.15, 165.43)    1.50                10
 01/10/2021   08:27:49   ( -80.14, -98.17) 01/10/2021   08:27:05  ( -80.17, -98.13)    3.22                44
 01/10/2021   09:17:15   (  80.14,  69.48) 01/10/2021   09:18:08  (  80.14,  69.63)    3.13                53
 01/12/2021   14:01:31   (  80.16,  -1.46) 01/12/2021   14:00:23  (  80.18,  -1.49)    2.33                68
 01/12/2021   14:50:58   ( -80.16, 166.20) 01/12/2021   14:51:17  ( -80.15, 166.27)    2.02                19
 01/14/2021   20:24:40   (  80.17, -97.13) 01/14/2021   20:24:35  (  80.15, -97.02)    3.26                 5
 01/17/2021   01:58:24   ( -80.16,  -0.71) 01/17/2021   01:57:44  ( -80.18,  -0.59)    3.18                40
 01/17/2021   02:47:50   (  80.15, 166.90) 01/17/2021   02:48:49  (  80.17, 166.78)    2.76                59
 01/19/2021   07:32:05   (  80.20,  96.21) 01/19/2021   07:31:02  (  80.17,  96.23)    2.50                63