Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and METOP-B
TLE Epoch: 2021 5 15.  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)
 05/17/2021   17:36:42   ( -81.10, 135.42) 05/17/2021   17:36:09  ( -81.10, 135.32)    1.76                33
 05/17/2021   18:26:07   (  81.13, -56.50) 05/17/2021   18:26:47  (  81.13, -56.31)    3.28                40
 05/20/2021   13:10:59   ( -81.10,-158.12) 05/20/2021   13:10:34  ( -81.10,-158.30)    3.20                25
 05/20/2021   14:00:24   (  81.13,   9.93) 05/20/2021   14:01:12  (  81.13,  10.01)    1.42                48
 05/23/2021   08:45:15   ( -81.12, -91.33) 05/23/2021   08:44:57  ( -81.12, -91.20)    2.34                18
 05/23/2021   09:34:41   (  81.12,  76.33) 05/23/2021   09:35:37  (  81.13,  76.32)    0.39                56
 05/26/2021   04:19:31   ( -81.12, -24.95) 05/26/2021   04:19:21  ( -81.12, -24.86)    1.50                10
 05/26/2021   05:08:56   (  81.14, 143.07) 05/26/2021   05:10:00  (  81.14, 142.99)    1.53                64