Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and NOAA-19
TLE Epoch: 2020 12 30.  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)
 01/01/2021   09:23:30   (  80.16,  68.07) 01/01/2021   09:23:15  (  80.14,  68.01)    3.03                15
 01/01/2021   10:12:57   ( -80.16,-124.28) 01/01/2021   10:14:11  ( -80.10,-124.20)    7.10                74
 01/03/2021   14:57:14   ( -80.15, 164.57) 01/03/2021   14:56:26  ( -80.15, 164.62)    1.02                48
 01/03/2021   15:46:41   (  80.12, -28.10) 01/03/2021   15:47:29  (  80.14, -28.06)    2.92                48
 01/05/2021   20:30:56   (  80.17, -98.70) 01/05/2021   20:29:43  (  80.16, -98.80)    2.26                73
 01/05/2021   21:20:23   ( -80.14,  68.68) 01/05/2021   21:20:38  ( -80.15,  68.70)    0.54                15
 01/08/2021   02:54:05   (  80.16, 165.38) 01/08/2021   02:53:55  (  80.15, 165.40)    0.83                10
 01/10/2021   08:27:48   ( -80.18, -97.86) 01/10/2021   08:27:04  ( -80.15, -97.81)    3.08                44
 01/10/2021   09:17:15   (  80.14,  69.43) 01/10/2021   09:18:08  (  80.14,  69.58)    2.87                53
 01/12/2021   14:01:30   (  80.18,  -1.24) 01/12/2021   14:00:22  (  80.16,  -1.24)    2.18                68