Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and NOAA-19
TLE Epoch: 2021 1 17.  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)
 01/19/2021   07:32:06   (  80.19,  96.16) 01/19/2021   07:31:03  (  80.17,  96.23)    2.60                63
 01/19/2021   08:21:34   ( -80.16, -96.51) 01/19/2021   08:21:58  ( -80.18, -96.59)    2.79                24
 01/21/2021   13:55:16   (  80.17,   0.14) 01/21/2021   13:55:17  (  80.19,   0.01)    3.61                 1
 01/23/2021   19:28:58   ( -80.17,  96.77) 01/23/2021   19:28:23  ( -80.18,  96.91)    2.93                35
 01/23/2021   20:18:24   (  80.17, -95.60) 01/23/2021   20:19:28  (  80.17, -95.59)    0.76                64
 01/26/2021   01:02:40   (  80.18,-166.64) 01/26/2021   01:01:42  (  80.20,-166.51)    3.32                58
 01/26/2021   01:52:07   ( -80.18,   1.03) 01/26/2021   01:52:36  ( -80.18,   0.98)    0.92                29
 01/28/2021   07:25:49   (  80.18,  97.59) 01/28/2021   07:25:55  (  80.20,  97.53)    2.34                 6
 01/30/2021   12:59:32   ( -80.18,-165.80) 01/30/2021   12:59:03  ( -80.21,-165.85)    2.90                29