Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and NOAA-19
TLE Epoch: 2021 1 1.  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   (  80.14,  67.90) 01/01/2021   09:23:15  (  80.15,  67.81)    1.89                15
 01/01/2021   10:12:57   ( -80.14,-124.47) 01/01/2021   10:14:11  ( -80.11,-124.40)    3.27                74
 01/03/2021   14:57:13   ( -80.17, 164.68) 01/03/2021   14:56:25  ( -80.14, 164.74)    3.03                48
 01/03/2021   15:46:40   (  80.13, -27.97) 01/03/2021   15:47:28  (  80.13, -27.92)    0.87                48
 01/05/2021   20:30:56   (  80.15, -98.86) 01/05/2021   20:29:43  (  80.17, -98.97)    3.05                73
 01/05/2021   21:20:23   ( -80.16,  68.80) 01/05/2021   21:20:38  ( -80.14,  68.84)    2.32                15
 01/08/2021   02:54:06   (  80.14, 165.23) 01/08/2021   02:53:56  (  80.16, 165.25)    2.32                10
 01/10/2021   08:27:49   ( -80.16, -98.01) 01/10/2021   08:27:05  ( -80.16, -97.95)    1.15                44
 01/10/2021   09:17:15   (  80.16,  69.59) 01/10/2021   09:18:09  (  80.15,  69.45)    2.78                54
 01/12/2021   14:01:31   (  80.17,  -1.36) 01/12/2021   14:00:23  (  80.17,  -1.34)    0.43                68
 01/12/2021   14:50:59   ( -80.14, 166.04) 01/12/2021   14:51:18  ( -80.16, 166.12)    2.16                19
 01/14/2021   20:24:41   (  80.15, -97.34) 01/14/2021   20:24:36  (  80.16, -97.18)    3.33                 5