Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and NOAA-19
TLE Epoch: 2021 7 3.  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)
 07/04/2021   08:33:32   (  80.43,  83.19) 07/04/2021   08:33:04  (  80.44,  83.02)    3.17                28
 07/04/2021   09:22:59   ( -80.43,-109.21) 07/04/2021   09:24:03  ( -80.42,-109.34)    2.74                64
 07/06/2021   14:07:16   ( -80.45, 179.96) 07/06/2021   14:06:13  ( -80.44, 179.83)    3.05                63
 07/06/2021   14:56:43   (  80.43, -12.67) 07/06/2021   14:57:12  (  80.43, -12.74)    1.32                29
 07/08/2021   20:30:28   ( -80.41,  83.79) 07/08/2021   20:30:22  ( -80.43,  83.91)    3.08                 6
 07/11/2021   02:04:11   (  80.44,-179.42) 07/11/2021   02:03:29  (  80.43,-179.28)    2.62                42
 07/11/2021   02:53:38   ( -80.44, -11.76) 07/11/2021   02:54:30  ( -80.42, -11.69)    2.75                52
 07/13/2021   07:37:58   ( -80.36, -83.58) 07/13/2021   07:36:44  ( -80.51, -83.98)   17.56                74
 07/13/2021   08:27:22   (  80.42,  84.67) 07/13/2021   08:27:38  (  80.45,  84.54)    3.35                16
 07/15/2021   14:01:06   ( -80.45,-178.54) 07/15/2021   14:00:49  ( -80.44,-178.63)    1.55                17