Simultaneous Nadir Overpasses (SNOs) between NOAA-15 and METOP-C
TLE Epoch: 2021 7 14.  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)
 07/18/2021   04:27:07   (  81.02, 150.59) 07/18/2021   04:25:55  (  81.03, 150.60)    1.38                72
 07/18/2021   05:17:35   ( -81.03, -42.36) 07/18/2021   05:16:37  ( -81.02, -42.34)    1.58                58
 07/18/2021   06:08:10   (  81.03, 125.03) 07/18/2021   06:07:17  (  81.02, 125.09)    1.37                53
 07/18/2021   06:58:37   ( -81.03, -67.55) 07/18/2021   06:57:58  ( -81.03, -67.48)    1.29                39
 07/18/2021   07:49:12   (  81.03,  99.84) 07/18/2021   07:48:38  (  81.03,  99.96)    2.02                34
 07/18/2021   08:39:39   ( -81.03, -92.74) 07/18/2021   08:39:19  ( -81.03, -92.61)    2.43                20
 07/18/2021   09:30:14   (  81.02,  74.65) 07/18/2021   09:29:59  (  81.04,  74.82)    3.38                15
 07/18/2021   10:20:41   ( -81.02,-117.93) 07/18/2021   10:20:41  ( -81.03,-118.12)    3.29                 0
 07/18/2021   11:11:16   (  81.02,  49.46) 07/18/2021   11:11:21  (  81.03,  49.31)    2.83                 5
 07/18/2021   12:01:44   ( -81.04,-143.49) 07/18/2021   12:02:03  ( -81.02,-143.62)    2.84                19
 07/18/2021   12:52:19   (  81.03,  23.90) 07/18/2021   12:52:43  (  81.02,  23.81)    1.87                24
 07/18/2021   13:42:46   ( -81.03,-168.68) 07/18/2021   13:43:24  ( -81.03,-168.76)    1.42                38
 07/18/2021   14:33:20   (  81.03,  -1.29) 07/18/2021   14:34:03  (  81.03,  -1.33)    0.71                43
 07/18/2021   15:23:47   ( -81.03, 166.12) 07/18/2021   15:24:44  ( -81.04, 166.10)    0.99                57
 07/18/2021   16:14:22   (  81.03, -26.48) 07/18/2021   16:15:24  (  81.04, -26.46)    1.61                62