Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and NOAA-19
TLE Epoch: 2021 1 2.  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)
 01/03/2021   14:57:14   ( -80.14, 164.43) 01/03/2021   14:56:26  ( -80.16, 164.48)    2.39                48
 01/03/2021   15:46:40   (  80.14, -27.91) 01/03/2021   15:47:28  (  80.13, -27.86)    1.50                48
 01/05/2021   20:30:56   (  80.16, -98.80) 01/05/2021   20:29:43  (  80.17, -98.90)    2.09                73
 01/05/2021   21:20:24   ( -80.13,  68.56) 01/05/2021   21:20:39  ( -80.15,  68.58)    2.84                15
 01/08/2021   02:54:06   (  80.15, 165.29) 01/08/2021   02:53:56  (  80.15, 165.34)    1.33                10
 01/10/2021   08:27:49   ( -80.17, -97.96) 01/10/2021   08:27:05  ( -80.15, -97.86)    2.44                44
 01/10/2021   09:17:15   (  80.16,  69.65) 01/10/2021   09:18:09  (  80.14,  69.55)    2.95                54
 01/12/2021   14:01:31   (  80.18,  -1.31) 01/12/2021   14:00:23  (  80.16,  -1.22)    2.32                68
 01/12/2021   14:50:59   ( -80.15, 166.09) 01/12/2021   14:51:18  ( -80.15, 166.24)    2.82                19
 01/14/2021   20:24:41   (  80.15, -97.29) 01/14/2021   20:24:37  (  80.17, -97.36)    2.49                 4