Simultaneous Nadir Overpasses (SNOs) between NOAA-20 and TERRA
TLE Epoch: 2021 4 16.  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)
 04/18/2021   09:23:20   ( -68.72,-142.64) 04/18/2021   09:24:31  ( -68.69,-142.44)    8.49                71
 04/18/2021   10:14:02   (  68.48,  24.98) 04/18/2021   10:14:00  (  68.47,  24.93)    2.01                 2
 04/18/2021   11:04:43   ( -68.35,-167.53) 04/18/2021   11:03:30  ( -68.36,-167.57)    2.43                73
 04/21/2021   01:40:13   ( -68.58, -26.70) 04/21/2021   01:40:59  ( -68.60, -26.68)    2.00                46
 04/21/2021   02:30:57   (  68.45, 140.77) 04/21/2021   02:30:27  (  68.43, 140.76)    2.62                30
 04/21/2021   03:21:20   ( -67.35, -50.54) 04/21/2021   03:20:13  ( -67.43, -52.76)   95.56                67
 04/23/2021   17:06:39   (  69.29, -79.22) 04/23/2021   17:07:48  (  69.16, -77.73)   60.53                69
 04/23/2021   17:57:09   ( -68.56,  89.09) 04/23/2021   17:57:27  ( -68.56,  89.15)    2.42                18
 04/23/2021   18:47:52   (  68.38,-103.37) 04/23/2021   18:46:55  (  68.38,-103.42)    2.10                57
 04/26/2021   09:23:23   (  68.63,  37.44) 04/26/2021   09:24:25  (  68.61,  37.45)    2.40                62
 04/26/2021   10:14:04   ( -68.49,-155.05) 04/26/2021   10:13:55  ( -68.51,-155.04)    2.04                 9
 04/26/2021   11:04:40   (  67.93,  12.96) 04/26/2021   11:03:29  (  67.99,  12.00)   40.77                71
 04/29/2021   01:40:18   (  68.56, 153.30) 04/29/2021   01:40:53  (  68.55, 153.26)    1.92                35
 04/29/2021   02:31:00   ( -68.47, -39.27) 04/29/2021   02:30:23  ( -68.45, -39.23)    2.98                37