Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and NOAA-19
TLE Epoch: 2021 1 23.  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)
 01/23/2021   19:29:01   ( -80.19,  96.92) 01/23/2021   19:28:23  ( -80.17,  97.06)    3.41                38
 01/23/2021   20:18:28   (  80.16, -95.70) 01/23/2021   20:19:29  (  80.18, -95.73)    1.49                61
 01/26/2021   01:02:45   (  80.18,-166.64) 01/26/2021   01:01:43  (  80.21,-166.66)    3.03                62
 01/26/2021   01:52:12   ( -80.18,   0.99) 01/26/2021   01:52:36  ( -80.17,   1.12)    2.60                24
 01/28/2021   07:25:55   (  80.19,  97.70) 01/28/2021   07:25:55  (  80.19,  97.69)    0.90                 0
 01/30/2021   12:59:39   ( -80.21,-165.62) 01/30/2021   12:59:03  ( -80.20,-165.73)    2.30                36
 01/30/2021   13:49:06   (  80.17,   1.72) 01/30/2021   13:50:08  (  80.19,   1.68)    1.88                62
 02/01/2021   18:33:22   (  80.22, -68.97) 02/01/2021   18:32:21  (  80.20, -69.00)    1.56                61
 02/01/2021   19:22:50   ( -80.19,  98.40) 02/01/2021   19:23:16  ( -80.20,  98.31)    2.28                26