Simultaneous Nadir Overpasses (SNOs) between NOAA-20 and METOP-A
TLE Epoch: 2018 5 16.  Predictions up to the next  14.0 days:

     Date     Time(NOAA-20) NOAA-20 Lat/Lon Date Time(METOP-A) METOP-A Lat/Lon    Distance(km)  Time Diff(sec)
 05/16/2018   23:21:23   ( -73.21,   0.37) 05/16/2018   23:21:01  ( -73.23,   0.34)    2.25                22
 05/17/2018   00:12:09   (  73.22, 167.67) 05/17/2018   00:11:41  (  73.21, 167.63)    1.45                28
 05/17/2018   01:02:53   ( -73.22, -25.02) 05/17/2018   01:02:23  ( -73.20, -25.06)    2.17                30
 05/17/2018   01:53:39   (  73.23, 142.28) 05/17/2018   01:53:02  (  73.23, 142.34)    2.31                37
 05/17/2018   02:44:23   ( -73.23, -50.41) 05/17/2018   02:43:44  ( -73.23, -50.35)    1.95                39
 05/17/2018   03:35:08   (  73.18, 117.00) 05/17/2018   03:34:24  (  73.21, 116.95)    3.30                44
 05/17/2018   04:25:52   ( -73.18, -75.69) 05/17/2018   04:25:06  ( -73.20, -75.74)    2.68                46
 05/17/2018   05:16:38   (  73.19,  91.61) 05/17/2018   05:15:46  (  73.18,  91.55)    2.24                52
 05/17/2018   06:07:22   ( -73.19,-101.08) 05/17/2018   06:06:28  ( -73.17,-101.14)    2.81                54
 05/17/2018   06:58:07   (  73.20,  66.22) 05/17/2018   06:57:06  (  73.20,  66.26)    1.51                61
 05/17/2018   07:48:51   ( -73.20,-126.47) 05/17/2018   07:47:48  ( -73.20,-126.43)    1.10                63
 05/17/2018   08:39:37   (  73.20,  40.83) 05/17/2018   08:38:28  (  73.18,  40.86)    3.06                69
 05/17/2018   09:30:20   ( -73.15,-151.74) 05/17/2018   09:29:10  ( -73.17,-151.83)    3.27                70
 05/17/2018   10:21:05   (  73.11,  15.66) 05/17/2018   10:19:51  (  73.10,  15.35)   10.00                74
 05/17/2018   11:11:47   ( -73.01,-176.81) 05/17/2018   11:10:34  ( -73.04,-177.44)   20.91                73
 05/17/2018   12:02:29   (  72.81,  -9.08) 05/17/2018   12:01:18  (  72.82, -10.58)   49.12                71
 05/17/2018   12:53:11   ( -72.71, 158.44) 05/17/2018   12:52:02  ( -72.71, 156.53)   63.14                69
 05/17/2018   13:43:52   (  72.46, -33.74) 05/17/2018   13:42:46  (  72.48, -36.59)   95.43                66