Simultaneous Nadir Overpasses (SNOs) between NOAA-20 and METOP-B
TLE Epoch: 2018 4 11.  Predictions up to the next  14.0 days:

     Date     Time(NOAA-20) NOAA-20 Lat/Lon Date Time(METOP-B) METOP-B Lat/Lon    Distance(km)  Time Diff(sec)
 04/25/2018   00:25:06   (  73.44, 163.98) 04/25/2018   00:26:13  (  73.38, 166.39)   77.02                67
 04/25/2018   01:15:48   ( -73.33, -28.46) 04/25/2018   01:16:57  ( -73.29, -26.47)   63.45                69
 04/25/2018   02:06:30   (  73.15, 139.26) 04/25/2018   02:07:41  (  73.06, 140.34)   36.41                71
 04/25/2018   02:57:12   ( -73.03, -53.19) 04/25/2018   02:58:25  ( -72.97, -52.52)   22.93                73
 04/25/2018   03:47:54   (  72.85, 114.52) 04/25/2018   03:49:07  (  72.83, 114.53)    2.16                73
 04/25/2018   04:38:38   ( -72.84, -78.15) 04/25/2018   04:39:49  ( -72.85, -78.12)    1.28                71
 04/25/2018   05:29:23   (  72.80,  89.24) 04/25/2018   05:30:29  (  72.81,  89.14)    3.27                66
 04/25/2018   06:20:08   ( -72.85,-103.53) 04/25/2018   06:21:11  ( -72.82,-103.50)    2.66                63
 04/25/2018   07:10:52   (  72.81,  63.85) 04/25/2018   07:11:49  (  72.83,  63.86)    2.59                57
 04/25/2018   08:01:36   ( -72.80,-128.82) 04/25/2018   08:02:32  ( -72.80,-128.89)    2.39                56
 04/25/2018   08:52:22   (  72.82,  38.46) 04/25/2018   08:53:11  (  72.81,  38.47)    0.75                49
 04/25/2018   09:43:06   ( -72.81,-154.20) 04/25/2018   09:43:53  ( -72.83,-154.17)    2.56                47
 04/25/2018   10:33:51   (  72.77,  13.18) 04/25/2018   10:34:33  (  72.79,  13.08)    3.59                42
 04/25/2018   11:24:36   ( -72.82,-179.59) 04/25/2018   11:25:15  ( -72.81,-179.56)    1.48                39
 04/25/2018   12:15:21   (  72.78, -12.21) 04/25/2018   12:15:55  (  72.77, -12.31)    3.55                34
 04/25/2018   13:06:05   ( -72.77, 155.12) 04/25/2018   13:06:37  ( -72.78, 155.06)    2.69                32
 04/25/2018   13:56:51   (  72.79, -37.60) 04/25/2018   13:57:16  (  72.79, -37.59)    0.83                25
 04/25/2018   14:47:35   ( -72.78, 129.74) 04/25/2018   14:47:59  ( -72.76, 129.67)    2.88                24
 04/25/2018   15:38:21   (  72.79, -62.99) 04/25/2018   15:38:38  (  72.77, -62.97)    2.57                17
 04/25/2018   16:29:05   ( -72.78, 104.35) 04/25/2018   16:29:20  ( -72.79, 104.39)    1.38                15
 04/25/2018   17:19:50   (  72.75, -88.27) 04/25/2018   17:20:00  (  72.75, -88.36)    3.06                10
 04/25/2018   18:10:35   ( -72.79,  78.96) 04/25/2018   18:10:42  ( -72.77,  79.00)    2.97                 7
 04/25/2018   19:01:20   (  72.76,-113.66) 04/25/2018   19:01:21  (  72.78,-113.64)    2.24                 1
 04/25/2018   19:52:04   ( -72.75,  53.68) 04/25/2018   19:52:04  ( -72.74,  53.61)    2.14                 0
 04/25/2018   20:42:50   (  72.76,-139.05) 04/25/2018   20:42:43  (  72.75,-139.03)    1.19                 7