Simultaneous Nadir Overpasses (SNOs) between NOAA-15 and METOP-C
TLE Epoch: 2021 12 17.  Predictions up to the next  14.0 days:

     Date     Time(NOAA-15) NOAA-15 Lat/Lon Date Time(METOP-C) METOP-C Lat/Lon    Distance(km)  Time Diff(sec)
 12/18/2021   16:00:34   ( -81.04, 157.82) 12/18/2021   15:59:19  ( -81.03, 157.88)    1.33                75
 12/18/2021   16:51:06   (  81.03, -34.67) 12/18/2021   16:50:00  (  81.04, -34.54)    2.52                66
 12/18/2021   17:41:36   ( -81.03, 132.59) 12/18/2021   17:40:40  ( -81.04, 132.76)    3.11                56
 12/18/2021   18:32:08   (  81.03, -59.91) 12/18/2021   18:31:22  (  81.03, -60.02)    1.88                46
 12/18/2021   19:22:38   ( -81.03, 107.35) 12/18/2021   19:22:02  ( -81.03, 107.28)    1.18                36
 12/18/2021   20:13:10   (  81.03, -85.15) 12/18/2021   20:12:43  (  81.04, -85.13)    1.58                27
 12/18/2021   21:03:40   ( -81.03,  82.11) 12/18/2021   21:03:23  ( -81.04,  82.17)    1.31                17
 12/18/2021   21:54:13   (  81.04,-110.76) 12/18/2021   21:54:05  (  81.04,-110.61)    2.78                 8
 12/18/2021   22:44:42   ( -81.03,  56.88) 12/18/2021   22:44:45  ( -81.03,  56.69)    3.27                 3
 12/18/2021   23:35:15   (  81.04,-136.00) 12/18/2021   23:35:27  (  81.03,-136.09)    2.05                12
 12/19/2021   00:25:44   ( -81.03,  31.64) 12/19/2021   00:26:06  ( -81.04,  31.58)    1.84                22
 12/19/2021   01:16:17   (  81.04,-161.25) 12/19/2021   01:16:48  (  81.04,-161.20)    0.79                31
 12/19/2021   02:06:47   ( -81.05,   6.04) 12/19/2021   02:07:28  ( -81.04,   6.10)    1.31                41
 12/19/2021   02:57:19   (  81.04, 173.51) 12/19/2021   02:58:09  (  81.05, 173.69)    3.10                50
 12/19/2021   03:47:49   ( -81.04, -19.20) 12/19/2021   03:48:49  ( -81.05, -19.01)    3.15                60