Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and METOP-B
TLE Epoch: 2021 6 13.  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)
 06/14/2021   20:29:58   (  81.11, -87.71) 06/14/2021   20:29:24  (  81.11, -87.68)    0.55                34
 06/14/2021   21:19:24   ( -81.13,  80.21) 06/14/2021   21:20:04  ( -81.13,  80.16)    0.78                40
 06/17/2021   16:04:13   (  81.11, -21.24) 06/17/2021   16:03:47  (  81.10, -21.41)    3.02                26
 06/17/2021   16:53:39   ( -81.13, 146.70) 06/17/2021   16:54:26  ( -81.13, 146.84)    2.36                47
 06/20/2021   11:38:29   (  81.11,  45.20) 06/20/2021   11:38:10  (  81.11,  45.22)    0.36                19
 06/20/2021   12:27:55   ( -81.13,-146.83) 06/20/2021   12:28:50  ( -81.13,-146.88)    0.88                55
 06/23/2021   07:12:45   (  81.11, 111.62) 06/23/2021   07:12:34  (  81.11, 111.47)    2.60                11
 06/23/2021   08:02:11   ( -81.13, -80.39) 06/23/2021   08:03:13  ( -81.14, -80.24)    2.77                62
 06/26/2021   02:46:59   (  81.13, 178.36) 06/26/2021   02:46:55  (  81.13, 178.45)    1.49                 4