Simultaneous Nadir Overpasses (SNOs) between NOAA-20 and TERRA
TLE Epoch: 2021 4 15.  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, 100.27) 04/15/2021   17:07:47  ( -69.60, 102.85)   99.99                66
 04/15/2021   17:57:06   (  68.52, -90.83) 04/15/2021   17:57:31  (  68.55, -90.85)    3.37                25
 04/15/2021   18:47:48   ( -68.44,  76.58) 04/15/2021   18:47:01  ( -68.44,  76.65)    2.65                47
 04/18/2021   09:23:20   ( -68.73,-142.66) 04/18/2021   09:24:31  ( -68.68,-142.46)   10.15                71
 04/18/2021   10:14:02   (  68.49,  24.96) 04/18/2021   10:13:59  (  68.51,  24.98)    2.14                 3
 04/18/2021   11:04:43   ( -68.36,-167.55) 04/18/2021   11:03:30  ( -68.35,-167.59)    2.30                73
 04/21/2021   01:40:14   ( -68.60, -26.72) 04/21/2021   01:41:00  ( -68.58, -26.70)    2.06                46
 04/21/2021   02:30:58   (  68.47, 140.75) 04/21/2021   02:30:27  (  68.47, 140.81)    2.13                31
 04/21/2021   03:21:21   ( -67.37, -50.56) 04/21/2021   03:20:14  ( -67.41, -52.78)   95.38                67
 04/23/2021   17:06:39   (  69.30, -79.24) 04/23/2021   17:07:47  (  69.20, -77.68)   62.54                68
 04/23/2021   17:57:08   ( -68.52,  89.14) 04/23/2021   17:57:27  ( -68.54,  89.12)    1.91                19
 04/23/2021   18:47:52   (  68.40,-103.39) 04/23/2021   18:46:54  (  68.42,-103.37)    2.75                58
 04/26/2021   09:23:22   (  68.59,  37.50) 04/26/2021   09:24:25  (  68.59,  37.43)    2.83                63
 04/26/2021   10:14:04   ( -68.50,-155.07) 04/26/2021   10:13:55  ( -68.49,-155.06)    1.52                 9
 04/26/2021   11:04:40   (  67.95,  12.95) 04/26/2021   11:03:29  (  67.97,  11.98)   40.68                71
 04/29/2021   01:40:18   (  68.57, 153.28) 04/29/2021   01:40:52  (  68.58, 153.30)    1.61                34
 04/29/2021   02:30:59   ( -68.43, -39.21) 04/29/2021   02:30:23  ( -68.43, -39.25)    1.66                36