Simultaneous Nadir Overpasses (SNOs) between NOAA-15 and METOP-C
TLE Epoch: 2021 11 21.  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   ( -81.02,  93.34) 11/26/2021   20:17:54  ( -81.03,  93.37)    0.99                67
 11/26/2021   21:09:35   (  81.02, -99.27) 11/26/2021   21:08:34  (  81.03, -99.41)    2.47                61
 11/26/2021   22:00:03   ( -81.04,  67.74) 11/26/2021   21:59:15  ( -81.02,  67.88)    2.94                48
 11/26/2021   22:50:37   (  81.02,-124.51) 11/26/2021   22:49:55  (  81.03,-124.53)    1.64                42
 11/26/2021   23:41:04   ( -81.02,  42.88) 11/26/2021   23:40:36  ( -81.03,  42.76)    2.38                28
 11/27/2021   00:31:40   (  81.04,-150.11) 11/27/2021   00:31:17  (  81.03,-150.02)    1.73                23
 11/27/2021   01:22:07   ( -81.04,  17.28) 11/27/2021   01:21:58  ( -81.03,  17.28)    0.93                 9
 11/27/2021   02:12:42   (  81.03,-175.34) 11/27/2021   02:12:39  (  81.02,-175.51)    3.16                 3
 11/27/2021   03:03:09   ( -81.03,  -7.95) 11/27/2021   03:03:19  ( -81.04,  -7.84)    1.95                10
 11/27/2021   03:53:44   (  81.03, 159.43) 11/27/2021   03:54:00  (  81.03, 159.38)    0.90                16
 11/27/2021   04:44:11   ( -81.03, -33.18) 11/27/2021   04:44:41  ( -81.03, -33.33)    2.53                30
 11/27/2021   05:34:46   (  81.03, 134.20) 11/27/2021   05:35:21  (  81.04, 134.26)    1.46                35
 11/27/2021   06:25:13   ( -81.03, -58.42) 11/27/2021   06:26:02  ( -81.04, -58.45)    0.97                49
 11/27/2021   07:15:48   (  81.03, 108.96) 11/27/2021   07:16:43  (  81.04, 108.77)    3.33                55
 11/27/2021   08:06:16   ( -81.05, -84.01) 11/27/2021   08:07:24  ( -81.03, -83.94)    2.04                68