Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and NOAA-19
TLE Epoch: 2021 7 4.  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   (  80.42,  83.07) 07/04/2021   08:33:03  (  80.43,  83.24)    3.11                29
 07/04/2021   09:22:59   ( -80.41,-109.34) 07/04/2021   09:24:03  ( -80.42,-109.48)    2.64                64
 07/06/2021   14:07:16   ( -80.44, 179.83) 07/06/2021   14:06:13  ( -80.44, 179.70)    2.41                63
 07/06/2021   14:56:43   (  80.41, -12.78) 07/06/2021   14:57:12  (  80.43, -12.85)    2.45                29
 07/08/2021   20:30:27   ( -80.43,  83.98) 07/08/2021   20:30:21  ( -80.42,  84.14)    3.16                 6
 07/11/2021   02:04:11   (  80.42,-179.53) 07/11/2021   02:03:29  (  80.44,-179.37)    3.34                42
 07/11/2021   02:53:38   ( -80.43, -11.89) 07/11/2021   02:54:30  ( -80.42, -11.79)    1.76                52
 07/13/2021   07:37:57   ( -80.38, -83.39) 07/13/2021   07:36:43  ( -80.49, -83.73)   13.94                74
 07/13/2021   08:27:21   (  80.44,  84.88) 07/13/2021   08:27:37  (  80.43,  84.80)    1.94                16
 07/15/2021   14:01:06   ( -80.43,-178.66) 07/15/2021   14:00:49  ( -80.45,-178.70)    1.62                17
 07/15/2021   14:50:32   (  80.43, -11.04) 07/15/2021   14:51:45  (  80.43, -11.04)    0.51                73
 07/17/2021   19:34:49   (  80.45, -81.97) 07/17/2021   19:33:54  (  80.45, -81.85)    2.12                55