Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and NOAA-19
TLE Epoch: 2021 1 4.  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)
 01/05/2021   20:30:55   (  80.18, -98.65) 01/05/2021   20:29:42  (  80.16, -98.75)    2.90                73
 01/05/2021   21:20:23   ( -80.14,  68.69) 01/05/2021   21:20:38  ( -80.14,  68.72)    0.53                15
 01/08/2021   02:54:05   (  80.16, 165.44) 01/08/2021   02:53:55  (  80.14, 165.47)    2.21                10
 01/10/2021   08:27:49   ( -80.15, -98.11) 01/10/2021   08:27:05  ( -80.17, -98.06)    2.18                44
 01/10/2021   09:17:15   (  80.15,  69.51) 01/10/2021   09:18:09  (  80.15,  69.36)    2.94                54
 01/12/2021   14:01:31   (  80.16,  -1.43) 01/12/2021   14:00:23  (  80.18,  -1.42)    1.49                68
 01/12/2021   14:50:58   ( -80.17, 166.25) 01/12/2021   14:51:17  ( -80.14, 166.35)    3.35                19
 01/14/2021   20:24:40   (  80.18, -97.10) 01/14/2021   20:24:36  (  80.17, -97.25)    2.91                 4
 01/17/2021   01:58:23   ( -80.19,  -0.38) 01/17/2021   01:57:44  ( -80.17,  -0.45)    3.15                39