Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and NOAA-19
TLE Epoch: 2021 1 11.  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)
 01/12/2021   14:01:31   (  80.17,  -1.39) 01/12/2021   14:00:23  (  80.17,  -1.40)    0.73                68
 01/12/2021   14:50:58   ( -80.17, 166.24) 01/12/2021   14:51:17  ( -80.14, 166.33)    3.05                19
 01/14/2021   20:24:41   (  80.15, -97.35) 01/14/2021   20:24:36  (  80.17, -97.24)    2.84                 5
 01/17/2021   01:58:24   ( -80.16,  -0.66) 01/17/2021   01:57:44  ( -80.17,  -0.48)    3.48                40
 01/17/2021   02:47:50   (  80.16, 166.97) 01/17/2021   02:48:49  (  80.16, 166.91)    1.29                59
 01/19/2021   07:32:06   (  80.17,  95.98) 01/19/2021   07:31:03  (  80.18,  96.06)    2.01                63
 01/19/2021   08:21:33   ( -80.17, -96.35) 01/19/2021   08:21:57  ( -80.17, -96.41)    1.49                24
 01/21/2021   13:55:15   (  80.18,   0.27) 01/21/2021   13:55:16  (  80.18,   0.16)    2.14                 1
 01/23/2021   19:28:58   ( -80.19,  96.94) 01/23/2021   19:28:24  ( -80.19,  96.77)    3.29                34