Simultaneous Nadir Overpasses (SNOs) between METOP-B and NPP
TLE Epoch: 2019 12 9.  Predictions up to the next  14.0 days:

     Date     Time(METOP-B) METOP-B Lat/Lon Date Time(NPP) NPP Lat/Lon    Distance(km)  Time Diff(sec)
 12/09/2019   22:05:09   ( -72.69,  20.52) 12/09/2019   22:05:37  ( -72.67,  20.55)    1.48                28
 12/09/2019   22:55:49   (  72.69,-172.13) 12/09/2019   22:56:23  (  72.67,-172.14)    2.41                34
 12/09/2019   23:46:31   ( -72.67,  -4.86) 12/09/2019   23:47:07  ( -72.68,  -4.84)    1.73                36
 12/10/2019   00:37:11   (  72.67, 162.49) 12/10/2019   00:37:53  (  72.68, 162.48)    0.69                42
 12/10/2019   01:27:52   ( -72.70, -30.13) 12/10/2019   01:28:37  ( -72.69, -30.23)    3.50                45
 12/10/2019   02:18:33   (  72.65, 137.11) 12/10/2019   02:19:22  (  72.63, 137.19)    3.45                49
 12/10/2019   03:09:15   ( -72.63, -55.61) 12/10/2019   03:10:06  ( -72.65, -55.52)    3.65                51
 12/10/2019   03:59:55   (  72.64, 111.73) 12/10/2019   04:00:52  (  72.64, 111.80)    2.33                57
 12/10/2019   04:50:36   ( -72.66, -80.89) 12/10/2019   04:51:36  ( -72.65, -80.90)    1.18                60
 12/10/2019   05:41:16   (  72.67,  86.46) 12/10/2019   05:42:22  (  72.65,  86.41)    2.65                66
 12/10/2019   06:31:58   ( -72.64,-106.26) 12/10/2019   06:33:06  ( -72.66,-106.29)    2.11                68
 12/10/2019   07:22:37   (  72.65,  61.08) 12/10/2019   07:23:51  (  72.66,  61.02)    2.11                74
 12/10/2019   08:13:20   ( -72.57,-131.75) 12/10/2019   08:14:34  ( -72.62,-131.58)    7.28                74
 12/10/2019   09:04:05   (  72.32,  35.09) 12/10/2019   09:05:16  (  72.41,  36.15)   36.88                71
 12/10/2019   09:54:48   ( -72.25,-157.73) 12/10/2019   09:55:58  ( -72.32,-156.36)   47.05                70
 12/10/2019   10:45:32   (  72.05,   9.22) 12/10/2019   10:46:40  (  72.11,  11.36)   73.61                68
 12/10/2019   11:36:15   ( -71.97, 176.40) 12/10/2019   11:37:22  ( -72.02, 178.84)   84.05                67