Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and NOAA-19
TLE Epoch: 2021 1 21.  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)
 01/21/2021   13:55:17   (  80.19,   0.33) 01/21/2021   13:55:16  (  80.17,   0.30)    2.17                 1
 01/23/2021   19:29:02   ( -80.17,  96.73) 01/23/2021   19:28:24  ( -80.19,  96.86)    2.94                38
 01/23/2021   20:18:28   (  80.17, -95.60) 01/23/2021   20:19:29  (  80.17, -95.63)    0.84                61
 01/26/2021   01:02:45   (  80.19,-166.55) 01/26/2021   01:01:43  (  80.20,-166.54)    1.08                62
 01/26/2021   01:52:11   ( -80.19,   1.10) 01/26/2021   01:52:36  ( -80.18,   0.93)    3.26                25
 01/28/2021   07:25:54   (  80.20,  97.78) 01/28/2021   07:25:54  (  80.18,  97.82)    2.93                 0
 01/30/2021   12:59:38   ( -80.22,-165.53) 01/30/2021   12:59:02  ( -80.19,-165.58)    3.05                36
 01/30/2021   13:49:05   (  80.18,   1.79) 01/30/2021   13:50:07  (  80.18,   1.83)    0.75                62
 02/01/2021   18:33:22   (  80.19, -69.21) 02/01/2021   18:32:21  (  80.21, -69.15)    2.83                61
 02/01/2021   19:22:49   ( -80.19,  98.48) 02/01/2021   19:23:15  ( -80.19,  98.50)    0.85                26