Simultaneous Nadir Overpasses (SNOs) between NOAA-15 and METOP-C
TLE Epoch: 2021 12 8.  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   16:00:30   ( -80.96, 159.33) 12/18/2021   15:59:22  ( -80.96, 156.34)   52.22                68
 12/18/2021   16:51:06   (  81.03, -34.69) 12/18/2021   16:49:59  (  81.03, -34.69)    0.17                67
 12/18/2021   17:41:36   ( -81.03, 132.63) 12/18/2021   17:40:39  ( -81.03, 132.67)    0.70                57
 12/18/2021   18:32:08   (  81.03, -59.93) 12/18/2021   18:31:20  (  81.04, -59.81)    2.45                48
 12/18/2021   19:22:38   ( -81.03, 107.40) 12/18/2021   19:22:00  ( -81.04, 107.55)    2.87                38
 12/18/2021   20:13:10   (  81.03, -85.17) 12/18/2021   20:12:42  (  81.03, -85.30)    2.33                28
 12/18/2021   21:03:40   ( -81.03,  82.16) 12/18/2021   21:03:22  ( -81.03,  82.06)    1.88                18
 12/18/2021   21:54:12   (  81.03,-110.41) 12/18/2021   21:54:03  (  81.04,-110.42)    1.70                 9
 12/18/2021   22:44:42   ( -81.03,  56.93) 12/18/2021   22:44:43  ( -81.04,  56.94)    1.63                 1
 12/18/2021   23:35:15   (  81.04,-136.02) 12/18/2021   23:35:25  (  81.04,-135.91)    1.99                10
 12/19/2021   00:25:45   ( -81.04,  31.32) 12/19/2021   00:26:05  ( -81.04,  31.44)    2.19                20
 12/19/2021   01:16:17   (  81.04,-161.26) 12/19/2021   01:16:47  (  81.03,-161.41)    2.83                30
 12/19/2021   02:06:47   ( -81.04,   6.09) 12/19/2021   02:07:27  ( -81.03,   5.95)    2.71                40
 12/19/2021   02:57:18   (  81.04, 173.50) 12/19/2021   02:58:07  (  81.04, 173.47)    0.51                49
 12/19/2021   03:47:48   ( -81.04, -19.15) 12/19/2021   03:48:47  ( -81.04, -19.17)    0.48                59
 12/19/2021   04:38:20   (  81.04, 148.26) 12/19/2021   04:39:28  (  81.05, 148.35)    1.80                68