Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and NOAA-19
TLE Epoch: 2021 3 15.  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)
 03/16/2021   10:00:05   (  80.27,  59.63) 03/16/2021   10:00:15  (  80.27,  59.65)    0.72                10
 03/18/2021   15:33:48   ( -80.26, 156.18) 03/18/2021   15:33:32  ( -80.28, 156.19)    2.40                16
 03/18/2021   16:23:14   (  80.27, -36.16) 03/18/2021   16:24:27  (  80.27, -36.30)    2.64                73
 03/20/2021   21:07:29   (  80.30,-106.96) 03/20/2021   21:06:39  (  80.28,-106.89)    2.25                50
 03/20/2021   21:56:57   ( -80.26,  60.38) 03/20/2021   21:57:44  ( -80.28,  60.33)    1.95                47
 03/23/2021   02:41:14   ( -80.23, -11.02) 03/23/2021   02:40:00  ( -80.36, -11.51)   17.24                74
 03/23/2021   03:30:38   (  80.29, 157.21) 03/23/2021   03:30:51  (  80.28, 157.15)    1.78                13
 03/25/2021   09:04:21   ( -80.29,-106.26) 03/25/2021   09:04:09  ( -80.30,-106.42)    3.22                12
 03/25/2021   09:53:48   (  80.25,  61.05) 03/25/2021   09:54:57  (  80.15,  63.14)   41.05                69
 03/27/2021   14:38:02   (  80.31,  -9.51) 03/27/2021   14:37:15  (  80.29,  -9.43)    2.53                47