Simultaneous Nadir Overpasses (SNOs) between NOAA-20 and TERRA
TLE Epoch: 2021 4 10.  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)
 04/10/2021   09:23:20   (  68.89,  37.15) 04/10/2021   09:24:32  (  68.78,  37.68)   24.99                72
 04/10/2021   10:13:56   ( -68.49,-155.00) 04/10/2021   10:14:05  ( -68.50,-155.03)    1.15                 9
 04/10/2021   11:04:40   (  68.36,  12.48) 04/10/2021   11:03:32  (  68.39,  12.49)    3.52                68
 04/13/2021   01:40:11   (  68.59, 153.31) 04/13/2021   01:41:03  (  68.59, 153.32)    1.13                52
 04/13/2021   02:30:52   ( -68.46, -39.20) 04/13/2021   02:30:33  ( -68.48, -39.18)    1.77                19
 04/13/2021   03:21:22   (  67.57, 129.22) 04/13/2021   03:20:13  (  67.64, 127.48)   73.96                69
 04/15/2021   17:57:07   (  68.57, -90.89) 04/15/2021   17:57:31  (  68.55, -90.84)    2.52                24
 04/15/2021   18:47:48   ( -68.43,  76.60) 04/15/2021   18:47:01  ( -68.45,  76.66)    3.13                47
 04/18/2021   09:23:20   ( -68.72,-142.64) 04/18/2021   09:24:31  ( -68.69,-142.44)    8.65                71
 04/18/2021   10:14:02   (  68.49,  24.97) 04/18/2021   10:14:00  (  68.46,  24.92)    3.33                 2
 04/18/2021   11:04:43   ( -68.35,-167.53) 04/18/2021   11:03:30  ( -68.36,-167.57)    2.03                73
 04/21/2021   01:40:13   ( -68.58, -26.70) 04/21/2021   01:40:59  ( -68.60, -26.68)    1.65                46
 04/21/2021   02:30:57   (  68.46, 140.77) 04/21/2021   02:30:26  (  68.48, 140.82)    2.71                31
 04/21/2021   03:21:20   ( -67.35, -50.54) 04/21/2021   03:20:13  ( -67.43, -52.77)   95.69                67
 04/23/2021   17:06:39   (  69.29, -79.22) 04/23/2021   17:07:48  (  69.15, -77.74)   60.60                69
 04/23/2021   17:57:09   ( -68.56,  89.09) 04/23/2021   17:57:27  ( -68.55,  89.14)    2.06                18
 04/23/2021   18:47:52   (  68.38,-103.37) 04/23/2021   18:46:55  (  68.37,-103.43)    2.57                57