Simultaneous Nadir Overpasses (SNOs) between NOAA-20 and METOP-B
TLE Epoch: 2018 4 25.  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   23:15:04   ( -72.75,   2.91) 04/25/2018   23:14:47  ( -72.76,   2.95)    1.33                17
 04/26/2018   00:05:50   (  72.76, 170.22) 04/26/2018   00:05:27  (  72.73, 170.23)    3.04                23
 04/26/2018   00:56:33   ( -72.71, -22.37) 04/26/2018   00:56:09  ( -72.73, -22.43)    3.31                24
 04/26/2018   01:47:19   (  72.71, 144.94) 04/26/2018   01:46:49  (  72.71, 144.84)    3.08                30
 04/26/2018   02:38:03   ( -72.72, -47.76) 04/26/2018   02:37:31  ( -72.71, -47.82)    2.16                32
 04/26/2018   03:28:49   (  72.72, 119.55) 04/26/2018   03:28:10  (  72.73, 119.56)    1.76                39
 04/26/2018   04:19:33   ( -72.72, -73.15) 04/26/2018   04:18:52  ( -72.74, -73.10)    2.21                41
 04/26/2018   05:10:19   (  72.72,  94.16) 04/26/2018   05:09:32  (  72.71,  94.18)    1.70                47
 04/26/2018   06:01:03   ( -72.73, -98.53) 04/26/2018   06:00:14  ( -72.72, -98.49)    2.19                49
 04/26/2018   06:51:48   (  72.68,  68.88) 04/26/2018   06:50:54  (  72.69,  68.79)    2.98                54
 04/26/2018   07:42:32   ( -72.69,-123.82) 04/26/2018   07:41:36  ( -72.69,-123.88)    2.05                56
 04/26/2018   08:33:18   (  72.69,  43.49) 04/26/2018   08:32:15  (  72.72,  43.51)    3.15                63
 04/26/2018   09:24:02   ( -72.69,-149.21) 04/26/2018   09:22:58  ( -72.67,-149.26)    3.10                64
 04/26/2018   10:14:48   (  72.69,  18.10) 04/26/2018   10:13:37  (  72.69,  18.12)    0.69                71
 04/26/2018   11:05:32   ( -72.70,-174.59) 04/26/2018   11:04:19  ( -72.70,-174.54)    1.65                73
 04/26/2018   11:56:14   (  72.55,  -6.98) 04/26/2018   11:55:01  (  72.52,  -7.58)   20.35                73
 04/26/2018   12:46:57   ( -72.50, 160.43) 04/26/2018   12:45:44  ( -72.47, 159.66)   26.05                73
 04/26/2018   13:37:38   (  72.25, -31.76) 04/26/2018   13:36:28  (  72.24, -33.47)   58.02                70
 04/26/2018   14:28:21   ( -72.20, 135.65) 04/26/2018   14:27:11  ( -72.19, 133.78)   63.63                70