Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and METOP-A
TLE Epoch: 2018 12 23.  Predictions up to the next  14.0 days:

     Date     Time(LANDSAT-8) LANDSAT-8 Lat/Lon Date Time(METOP-A) METOP-A Lat/Lon    Distance(km)  Time Diff(sec)
 12/24/2018   06:23:04   ( -81.44, -50.38) 12/24/2018   06:22:28  ( -81.43, -50.55)    3.05                36
 12/24/2018   07:12:31   (  81.42, 116.97) 12/24/2018   07:13:08  (  81.43, 116.91)    1.19                37
 12/27/2018   01:57:20   ( -81.43,  15.95) 12/27/2018   01:56:43  ( -81.43,  15.85)    1.72                37
 12/27/2018   02:46:46   (  81.44,-176.33) 12/27/2018   02:47:22  (  81.43,-176.32)    0.51                36
 12/29/2018   21:31:35   ( -81.43,  82.31) 12/29/2018   21:30:57  ( -81.43,  82.23)    1.33                38
 12/29/2018   22:21:01   (  81.43,-110.00) 12/29/2018   22:21:36  (  81.43,-109.96)    0.63                35
 01/01/2019   17:05:51   ( -81.43, 148.70) 01/01/2019   17:05:12  ( -81.43, 148.58)    1.90                39
 01/01/2019   17:55:17   (  81.43, -43.63) 01/01/2019   17:55:51  (  81.43, -43.63)    0.37                34
 01/04/2019   12:40:07   ( -81.43,-144.88) 01/04/2019   12:39:26  ( -81.43,-144.69)    3.26                41