Simultaneous Nadir Overpasses (SNOs) between NOAA-20 and TERRA
TLE Epoch: 2021 4 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)
 04/15/2021   17:06:41   ( -69.66, 100.28) 04/15/2021   17:07:47  ( -69.60, 102.85)   99.96                66
 04/15/2021   17:57:07   (  68.57, -90.90) 04/15/2021   17:57:31  (  68.55, -90.85)    3.19                24
 04/15/2021   18:47:48   ( -68.44,  76.59) 04/15/2021   18:47:01  ( -68.44,  76.65)    2.53                47
 04/18/2021   09:23:20   ( -68.73,-142.66) 04/18/2021   09:24:31  ( -68.68,-142.46)    9.70                71
 04/18/2021   10:14:02   (  68.49,  24.96) 04/18/2021   10:13:59  (  68.51,  24.98)    2.62                 3
 04/18/2021   11:04:43   ( -68.36,-167.54) 04/18/2021   11:03:30  ( -68.35,-167.58)    1.77                73
 04/21/2021   01:40:14   ( -68.59, -26.72) 04/21/2021   01:41:00  ( -68.59, -26.69)    1.24                46
 04/21/2021   02:30:58   (  68.47, 140.76) 04/21/2021   02:30:27  (  68.47, 140.81)    2.19                31
 04/21/2021   03:21:21   ( -67.36, -50.55) 04/21/2021   03:20:14  ( -67.42, -52.78)   95.43                67
 04/23/2021   17:06:39   (  69.30, -79.23) 04/23/2021   17:07:48  (  69.15, -77.75)   61.03                69
 04/23/2021   17:57:08   ( -68.52,  89.15) 04/23/2021   17:57:27  ( -68.54,  89.13)    3.18                19
 04/23/2021   18:47:52   (  68.39,-103.38) 04/23/2021   18:46:55  (  68.37,-103.44)    3.34                57
 04/26/2021   09:23:22   (  68.58,  37.51) 04/26/2021   09:24:25  (  68.59,  37.44)    3.19                63
 04/26/2021   10:14:04   ( -68.49,-155.06) 04/26/2021   10:13:55  ( -68.49,-155.05)    0.35                 9
 04/26/2021   11:04:40   (  67.94,  12.96) 04/26/2021   11:03:29  (  67.98,  11.98)   40.85                71