Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and NOAA-19
TLE Epoch: 2021 7 14.  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)
 07/15/2021   14:01:06   ( -80.43,-178.72) 07/15/2021   14:00:49  ( -80.45,-178.76)    2.53                17
 07/15/2021   14:50:32   (  80.43, -11.02) 07/15/2021   14:51:45  (  80.43, -11.03)    0.77                73
 07/17/2021   19:34:49   (  80.45, -81.95) 07/17/2021   19:33:54  (  80.44, -81.83)    2.27                55
 07/17/2021   20:24:16   ( -80.45,  85.68) 07/17/2021   20:24:57  ( -80.44,  85.56)    2.36                41
 07/20/2021   01:57:59   (  80.46,-177.59) 07/20/2021   01:58:02  (  80.44,-177.70)    3.19                 3
 07/22/2021   07:31:44   ( -80.45, -81.19) 07/22/2021   07:31:15  ( -80.45, -81.17)    0.96                29
 07/22/2021   08:21:10   (  80.44,  86.44) 07/22/2021   08:22:10  (  80.44,  86.41)    0.94                60
 07/24/2021   13:05:27   (  80.45,  15.47) 07/24/2021   13:04:19  (  80.46,  15.56)    1.78                68
 07/24/2021   13:54:54   ( -80.46,-176.84) 07/24/2021   13:55:23  ( -80.45,-176.95)    2.50                29