Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and NOAA-19
TLE Epoch: 2021 1 5.  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   20:30:56   (  80.15, -98.86) 01/05/2021   20:29:43  (  80.17, -98.98)    3.10                73
 01/05/2021   21:20:23   ( -80.15,  68.77) 01/05/2021   21:20:38  ( -80.14,  68.81)    1.81                15
 01/08/2021   02:54:06   (  80.14, 165.23) 01/08/2021   02:53:56  (  80.16, 165.25)    2.23                10
 01/10/2021   08:27:49   ( -80.16, -98.03) 01/10/2021   08:27:05  ( -80.16, -97.98)    1.03                44
 01/10/2021   09:17:15   (  80.16,  69.60) 01/10/2021   09:18:09  (  80.15,  69.45)    3.09                54
 01/12/2021   14:01:31   (  80.17,  -1.34) 01/12/2021   14:00:23  (  80.17,  -1.33)    0.38                68
 01/12/2021   14:50:59   ( -80.14, 166.04) 01/12/2021   14:51:18  ( -80.16, 166.11)    2.07                19
 01/14/2021   20:24:41   (  80.15, -97.30) 01/14/2021   20:24:36  (  80.16, -97.17)    2.64                 5
 01/17/2021   01:58:24   ( -80.17,  -0.58) 01/17/2021   01:57:45  ( -80.18,  -0.70)    2.78                39