Simultaneous Nadir Overpasses (SNOs) between NOAA-15 and METOP-C
TLE Epoch: 2021 11 19.  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)
 11/26/2021   20:19:01   ( -81.03,  93.15) 11/26/2021   20:17:54  ( -81.02,  93.21)    1.28                67
 11/26/2021   21:09:36   (  81.03, -99.47) 11/26/2021   21:08:35  (  81.02, -99.59)    2.48                61
 11/26/2021   22:00:03   ( -81.03,  67.92) 11/26/2021   21:59:15  ( -81.03,  68.09)    2.91                48
 11/26/2021   22:50:38   (  81.03,-124.71) 11/26/2021   22:49:56  (  81.03,-124.71)    0.23                42
 11/26/2021   23:41:05   ( -81.03,  42.69) 11/26/2021   23:40:37  ( -81.03,  42.60)    1.56                28
 11/27/2021   00:31:40   (  81.03,-149.94) 11/27/2021   00:31:17  (  81.04,-149.83)    2.13                23
 11/27/2021   01:22:07   ( -81.03,  17.46) 11/27/2021   01:21:58  ( -81.04,  17.48)    0.98                 9
 11/27/2021   02:12:42   (  81.03,-175.17) 11/27/2021   02:12:39  (  81.03,-175.31)    2.52                 3
 11/27/2021   03:03:10   ( -81.04,  -8.14) 11/27/2021   03:03:20  ( -81.03,  -8.00)    2.74                10
 11/27/2021   03:53:44   (  81.03, 159.60) 11/27/2021   03:54:00  (  81.04, 159.57)    1.58                16
 11/27/2021   04:44:11   ( -81.03, -33.00) 11/27/2021   04:44:41  ( -81.04, -33.12)    2.55                30
 11/27/2021   05:34:47   (  81.04, 133.99) 11/27/2021   05:35:22  (  81.03, 134.08)    1.72                35
 11/27/2021   06:25:14   ( -81.04, -58.60) 11/27/2021   06:26:03  ( -81.03, -58.61)    0.85                49
 11/27/2021   07:15:49   (  81.04, 108.76) 11/27/2021   07:16:44  (  81.03, 108.60)    3.21                55
 11/27/2021   08:06:16   ( -81.04, -83.83) 11/27/2021   08:07:24  ( -81.04, -83.73)    1.82                68