Simultaneous Nadir Overpasses (SNOs) between NPP and METOP-C
TLE Epoch: 2018 11 21.  Predictions up to the next  14.0 days:

     Date     Time(NPP) NPP Lat/Lon Date Time(METOP-C) METOP-C Lat/Lon    Distance(km)  Time Diff(sec)
 11/22/2018   09:37:54   ( -73.52,-154.21) 11/22/2018   09:39:01  ( -73.47,-151.49)   86.10                67
 11/22/2018   10:28:34   (  73.22,  13.78) 11/22/2018   10:29:44  (  73.16,  15.15)   44.66                70
 11/22/2018   11:19:14   ( -73.03,-178.49) 11/22/2018   11:20:27  ( -72.95,-177.95)   19.28                73
 11/22/2018   12:09:57   (  72.87, -10.84) 11/22/2018   12:11:06  (  72.84, -10.85)    3.65                69
 11/22/2018   13:00:40   ( -72.83, 156.56) 11/22/2018   13:01:45  ( -72.84, 156.48)    2.37                65
 11/22/2018   13:51:26   (  72.83, -36.12) 11/22/2018   13:52:22  (  72.82, -36.20)    2.59                56
 11/22/2018   14:42:10   ( -72.84, 131.17) 11/22/2018   14:43:01  ( -72.82, 131.13)    2.26                51
 11/22/2018   15:32:56   (  72.83, -61.51) 11/22/2018   15:33:38  (  72.80, -61.55)    3.29                42
 11/22/2018   16:23:40   ( -72.84, 105.79) 11/22/2018   16:24:16  ( -72.85, 105.89)    3.65                36
 11/22/2018   17:14:26   (  72.84, -86.89) 11/22/2018   17:14:53  (  72.84, -86.80)    3.21                27
 11/22/2018   18:05:09   ( -72.80,  80.51) 11/22/2018   18:05:33  ( -72.79,  80.43)    2.66                24
 11/22/2018   18:55:55   (  72.79,-112.17) 11/22/2018   18:56:09  (  72.82,-112.15)    3.47                14
 11/22/2018   19:46:39   ( -72.80,  55.12) 11/22/2018   19:46:48  ( -72.82,  55.19)    2.99                 9
 11/22/2018   20:37:25   (  72.79,-137.56) 11/22/2018   20:37:25  (  72.80,-137.50)    2.17                 0
 11/22/2018   21:28:09   ( -72.81,  29.74) 11/22/2018   21:28:04  ( -72.80,  29.84)    3.40                 5
 11/22/2018   22:18:55   (  72.80,-162.94) 11/22/2018   22:18:41  (  72.79,-162.85)    3.50                14
 11/22/2018   23:09:38   ( -72.76,   4.46) 11/22/2018   23:09:20  ( -72.78,   4.49)    2.92                18
 11/23/2018   00:00:24   (  72.75, 171.78) 11/22/2018   23:59:57  (  72.77, 171.80)    1.74                27
 11/23/2018   00:51:08   ( -72.77, -20.93) 11/23/2018   00:50:36  ( -72.77, -20.86)    2.22                32
 11/23/2018   01:41:54   (  72.76, 146.39) 11/23/2018   01:41:13  (  72.75, 146.45)    2.13                41
 11/23/2018   02:32:37   ( -72.72, -46.21) 11/23/2018   02:31:52  ( -72.75, -46.21)    3.46                45
 11/23/2018   03:23:23   (  72.71, 121.11) 11/23/2018   03:22:29  (  72.73, 121.10)    2.27                54
 11/23/2018   04:14:07   ( -72.72, -71.59) 11/23/2018   04:13:08  ( -72.73, -71.56)    1.46                59
 11/23/2018   05:04:53   (  72.72,  95.73) 11/23/2018   05:03:45  (  72.72,  95.75)    0.78                68
 11/23/2018   05:55:37   ( -72.73, -96.98) 11/23/2018   05:54:24  ( -72.72, -96.91)    2.62                73
 11/23/2018   06:46:18   (  72.47,  70.86) 11/23/2018   06:45:06  (  72.44,  69.88)   32.94                72
 11/23/2018   07:36:58   ( -72.28,-121.44) 11/23/2018   07:35:48  ( -72.29,-123.08)   55.41                70