Simultaneous Nadir Overpasses (SNOs) between NOAA-15 and METOP-C
TLE Epoch: 2021 6 4.  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)
 06/04/2021   02:56:19   (  81.01, 173.04) 06/04/2021   02:55:21  (  81.02, 173.07)    0.55                58
 06/04/2021   03:46:53   ( -81.01, -19.57) 06/04/2021   03:46:02  ( -81.02, -19.42)    2.86                51
 06/04/2021   04:37:21   (  81.01, 147.87) 06/04/2021   04:36:42  (  81.02, 147.94)    2.02                39
 06/04/2021   05:27:55   ( -81.01, -44.75) 06/04/2021   05:27:24  ( -81.02, -44.92)    3.08                31
 06/04/2021   06:18:23   (  81.02, 122.33) 06/04/2021   06:18:03  (  81.02, 122.44)    2.01                20
 06/04/2021   07:08:57   ( -81.02, -70.29) 06/04/2021   07:08:45  ( -81.01, -70.42)    2.57                12
 06/04/2021   07:59:25   (  81.02,  97.16) 06/04/2021   07:59:24  (  81.03,  97.31)    2.78                 1
 06/04/2021   08:49:59   ( -81.02, -95.47) 06/04/2021   08:50:06  ( -81.02, -95.55)    1.43                 7
 06/04/2021   09:40:27   (  81.02,  71.99) 06/04/2021   09:40:46  (  81.02,  71.81)    3.09                19
 06/04/2021   10:31:01   ( -81.01,-120.64) 06/04/2021   10:31:27  ( -81.03,-120.68)    1.61                26
 06/04/2021   11:21:30   (  81.03,  46.44) 06/04/2021   11:22:08  (  81.01,  46.31)    2.84                38
 06/04/2021   12:12:04   ( -81.03,-146.18) 06/04/2021   12:12:49  ( -81.02,-146.18)    0.69                45
 06/04/2021   13:02:32   (  81.02,  21.27) 06/04/2021   13:03:29  (  81.02,  21.18)    1.64                57
 06/04/2021   13:53:06   ( -81.02,-171.36) 06/04/2021   13:54:10  ( -81.03,-171.31)    1.15                64