Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and METOP-B
TLE Epoch: 2021 7 17.  Predictions up to the next  14.0 days:

     Date     Time(LANDSAT-8) LANDSAT-8 Lat/Lon Date Time(METOP-B) METOP-B Lat/Lon    Distance(km)  Time Diff(sec)
 07/18/2021   14:31:37   ( -81.11,-178.02) 07/18/2021   14:31:21  ( -81.11,-178.20)    3.10                16
 07/18/2021   15:21:02   (  81.14,  -9.91) 07/18/2021   15:21:59  (  81.14,  -9.89)    0.32                57
 07/21/2021   10:05:54   ( -81.11,-111.58) 07/21/2021   10:05:44  ( -81.11,-111.72)    2.40                10
 07/21/2021   10:55:18   (  81.14,  56.50) 07/21/2021   10:56:21  (  81.14,  56.58)    1.44                63
 07/24/2021   05:40:10   ( -81.11, -45.17) 07/24/2021   05:40:06  ( -81.11, -45.26)    1.57                 4
 07/24/2021   06:29:35   (  81.14, 122.88) 07/24/2021   06:30:44  (  81.14, 123.04)    2.89                69
 07/27/2021   00:25:00   (  81.11,-146.44) 07/27/2021   00:23:49  (  81.10,-146.53)    1.61                71
 07/27/2021   01:14:26   ( -81.13,  21.59) 07/27/2021   01:14:28  ( -81.13,  21.57)    0.72                 2
 07/29/2021   19:59:17   (  81.10, -80.10) 07/29/2021   19:58:12  (  81.10, -80.09)    0.19                65