Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and NOAA-19
TLE Epoch: 2021 1 15.  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)
 01/17/2021   01:58:24   ( -80.18,  -0.56) 01/17/2021   01:57:45  ( -80.18,  -0.70)    2.77                39
 01/17/2021   02:47:50   (  80.18, 167.10) 01/17/2021   02:48:49  (  80.15, 167.03)    3.28                59
 01/19/2021   07:32:06   (  80.19,  96.11) 01/19/2021   07:31:03  (  80.18,  96.17)    1.63                63
 01/19/2021   08:21:33   ( -80.19, -96.25) 01/19/2021   08:21:57  ( -80.16, -96.31)    3.10                24
 01/21/2021   13:55:15   (  80.19,   0.39) 01/21/2021   13:55:16  (  80.17,   0.26)    3.29                 1
 01/23/2021   19:28:59   ( -80.17,  96.72) 01/23/2021   19:28:24  ( -80.19,  96.83)    3.16                35
 01/23/2021   20:18:25   (  80.17, -95.66) 01/23/2021   20:19:29  (  80.17, -95.69)    0.95                64
 01/26/2021   01:02:40   (  80.20,-166.41) 01/26/2021   01:01:42  (  80.18,-166.30)    2.98                58
 01/26/2021   01:52:08   ( -80.17,   0.97) 01/26/2021   01:52:37  ( -80.19,   0.88)    2.52                29