Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and METOP-B
TLE Epoch: 2021 5 11.  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)
 05/12/2021   02:28:09   ( -81.09,   2.49) 05/12/2021   02:27:20  ( -81.10,   2.61)    2.12                49
 05/12/2021   03:17:34   (  81.12, 170.58) 05/12/2021   03:17:59  (  81.12, 170.65)    1.25                25
 05/14/2021   22:02:25   ( -81.10,  69.02) 05/14/2021   22:01:44  ( -81.10,  69.02)    0.09                41
 05/14/2021   22:51:50   (  81.13,-122.91) 05/14/2021   22:52:23  (  81.12,-122.98)    1.35                33
 05/17/2021   17:36:42   ( -81.10, 135.52) 05/17/2021   17:36:09  ( -81.10, 135.41)    2.03                33
 05/17/2021   18:26:07   (  81.13, -56.43) 05/17/2021   18:26:47  (  81.13, -56.26)    2.97                40
 05/20/2021   13:10:59   ( -81.11,-158.01) 05/20/2021   13:10:33  ( -81.11,-157.85)    2.89                26
 05/20/2021   14:00:24   (  81.13,  10.01) 05/20/2021   14:01:12  (  81.13,  10.06)    0.86                48
 05/23/2021   08:45:15   ( -81.11, -91.58) 05/23/2021   08:44:57  ( -81.11, -91.49)    1.46                18