Simultaneous Nadir Overpasses (SNOs) between NOAA-20 and TERRA
TLE Epoch: 2021 9 14.  Predictions up to the next  14.0 days:

     Date     Time(NOAA-20) NOAA-20 Lat/Lon Date Time(TERRA) TERRA Lat/Lon    Distance(km)  Time Diff(sec)
 09/14/2021   15:25:19   (  69.23, -53.94) 09/14/2021   15:26:30  (  69.13, -53.05)   36.79                71
 09/14/2021   16:15:53   ( -68.72, 114.07) 09/14/2021   16:16:05  ( -68.74, 114.09)    2.13                12
 09/14/2021   17:06:37   (  68.59, -78.45) 09/14/2021   17:05:33  (  68.57, -78.47)    2.11                64
 09/17/2021   07:42:05   (  68.83,  62.38) 09/17/2021   07:43:01  (  68.83,  62.44)    2.46                56
 09/17/2021   08:32:46   ( -68.69,-130.12) 09/17/2021   08:32:32  ( -68.66,-130.13)    3.28                14
 09/17/2021   09:23:18   (  67.92,  38.18) 09/17/2021   09:22:09  (  67.99,  36.71)   61.94                69
 09/19/2021   23:58:58   (  68.75, 178.25) 09/19/2021   23:59:29  (  68.74, 178.21)    1.96                31
 09/20/2021   00:49:39   ( -68.61, -14.24) 09/20/2021   00:48:59  ( -68.64, -14.28)    3.13                40
 09/22/2021   15:25:14   ( -69.17, 126.14) 09/22/2021   15:26:25  ( -69.05, 126.84)   30.45                71
 09/22/2021   16:15:52   (  68.73, -65.95) 09/22/2021   16:15:56  (  68.71, -65.95)    2.72                 4
 09/22/2021   17:06:33   ( -68.59, 101.56) 09/22/2021   17:05:26  ( -68.61, 101.56)    1.92                67
 09/25/2021   07:42:01   ( -68.78,-117.54) 09/25/2021   07:42:56  ( -68.80,-117.61)    3.24                55
 09/25/2021   08:32:45   (  68.66,  49.92) 09/25/2021   08:32:23  (  68.67,  49.88)    1.68                22
 09/25/2021   09:23:14   ( -67.87,-141.75) 09/25/2021   09:22:05  ( -67.91,-143.40)   69.08                69
 09/27/2021   23:08:30   (  69.82,-170.56) 09/27/2021   23:09:36  (  69.74,-168.13)   93.64                66
 09/27/2021   23:58:54   ( -68.76,  -1.75) 09/27/2021   23:59:22  ( -68.76,  -1.78)    1.51                28
 09/28/2021   00:49:38   (  68.65, 165.71) 09/28/2021   00:48:49  (  68.63, 165.71)    2.49                49