Simultaneous Nadir Overpasses (SNOs) between NOAA-20 and TERRA
TLE Epoch: 2021 9 18.  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)
 09/19/2021   23:58:58   (  68.74, 178.28) 09/19/2021   23:59:29  (  68.76, 178.23)    3.16                31
 09/20/2021   00:49:40   ( -68.66, -14.30) 09/20/2021   00:48:59  ( -68.65, -14.27)    1.32                41
 09/22/2021   15:25:14   ( -69.16, 126.16) 09/22/2021   15:26:25  ( -69.06, 126.85)   29.09                71
 09/22/2021   16:15:52   (  68.72, -65.92) 09/22/2021   16:15:56  (  68.73, -65.93)    1.18                 4
 09/22/2021   17:06:34   ( -68.63, 101.51) 09/22/2021   17:05:26  ( -68.62, 101.57)    2.91                68
 09/25/2021   07:42:01   ( -68.82,-117.59) 09/25/2021   07:42:55  ( -68.81,-117.60)    1.06                54
 09/25/2021   08:32:45   (  68.70,  49.87) 09/25/2021   08:32:22  (  68.69,  49.90)    1.54                23
 09/25/2021   09:23:13   ( -67.86,-141.73) 09/25/2021   09:22:04  ( -67.92,-143.39)   69.67                69
 09/27/2021   23:08:30   (  69.80,-170.52) 09/27/2021   23:09:37  (  69.70,-168.19)   90.54                67
 09/27/2021   23:58:54   ( -68.74,  -1.72) 09/27/2021   23:59:22  ( -68.77,  -1.77)    3.22                28
 09/28/2021   00:49:38   (  68.63, 165.74) 09/28/2021   00:48:49  (  68.64, 165.72)    1.85                49
 09/30/2021   15:25:07   (  68.88, -53.45) 09/30/2021   15:26:18  (  68.87, -53.39)    2.30                71
 09/30/2021   16:15:48   ( -68.73, 114.07) 09/30/2021   16:15:49  ( -68.72, 114.05)    0.90                 1
 09/30/2021   17:06:30   (  68.51, -78.33) 09/30/2021   17:05:17  (  68.54, -78.52)    8.76                73