Simultaneous Nadir Overpasses (SNOs) between NOAA-15 and METOP-C
TLE Epoch: 2021 6 16.  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)
 06/26/2021   02:51:15   ( -81.02,  -5.69) 06/26/2021   02:50:00  ( -81.01,  -5.83)    2.78                75
 06/26/2021   03:41:47   (  81.02, 161.64) 06/26/2021   03:40:39  (  81.02, 161.68)    1.04                68
 06/26/2021   04:32:17   ( -81.02, -30.88) 06/26/2021   04:31:21  ( -81.02, -30.97)    1.51                56
 06/26/2021   05:22:49   (  81.02, 136.46) 06/26/2021   05:22:00  (  81.02, 136.54)    1.61                49
 06/26/2021   06:13:19   ( -81.01, -56.06) 06/26/2021   06:12:42  ( -81.03, -56.10)    1.40                37
 06/26/2021   07:03:52   (  81.03, 110.91) 06/26/2021   07:03:22  (  81.02, 111.04)    2.79                30
 06/26/2021   07:54:22   ( -81.03, -81.62) 06/26/2021   07:54:04  ( -81.02, -81.60)    1.00                18
 06/26/2021   08:44:54   (  81.03,  85.73) 06/26/2021   08:44:43  (  81.03,  85.91)    3.10                11
 06/26/2021   09:35:24   ( -81.02,-106.80) 06/26/2021   09:35:25  ( -81.03,-106.74)    1.19                 1
 06/26/2021   10:25:56   (  81.02,  60.55) 06/26/2021   10:26:05  (  81.02,  60.40)    2.58                 9
 06/26/2021   11:16:26   ( -81.02,-131.99) 06/26/2021   11:16:46  ( -81.04,-131.87)    2.63                20
 06/26/2021   12:06:58   (  81.02,  35.37) 06/26/2021   12:07:26  (  81.03,  35.27)    1.86                28
 06/26/2021   12:57:29   ( -81.03,-157.54) 06/26/2021   12:58:08  ( -81.03,-157.37)    2.93                39
 06/26/2021   13:48:01   (  81.03,   9.82) 06/26/2021   13:48:48  (  81.02,   9.77)    1.69                47
 06/26/2021   14:38:31   ( -81.03, 177.27) 06/26/2021   14:39:30  ( -81.02, 177.12)    2.75                59
 06/26/2021   15:29:03   (  81.03, -15.36) 06/26/2021   15:30:09  (  81.03, -15.37)    0.12                66