Simultaneous Nadir Overpasses (SNOs) between NOAA-21 and TERRA
TLE Epoch: 2023 3 19.  Predictions up to the next  14.0 days:

     Date     Time(NOAA-21) NOAA-21 Lat/Lon Date Time(TERRA) TERRA Lat/Lon    Distance(km)  Time Diff(sec)
 03/19/2023   23:46:11   (  70.63, 178.88) 03/19/2023   23:47:22  (  70.59, 179.15)   10.83                71
 03/20/2023   00:36:51   ( -70.43, -13.49) 03/20/2023   00:36:49  ( -70.45, -13.42)    3.10                 2
 03/20/2023   01:27:28   (  69.95, 154.56) 03/20/2023   01:26:17  (  70.04, 153.67)   35.29                71
 03/22/2023   12:40:02   (  70.53, -14.43) 03/22/2023   12:41:06  (  70.50, -14.44)    2.97                64
 03/22/2023   13:30:44   ( -70.43, 153.03) 03/22/2023   13:30:32  ( -70.41, 153.08)    3.27                12
 03/22/2023   14:21:14   (  69.58, -38.37) 03/22/2023   14:20:06  (  69.67, -40.29)   74.93                68
 03/25/2023   01:33:54   (  70.49, 152.16) 03/25/2023   01:34:48  (  70.48, 152.08)    2.75                54
 03/25/2023   02:24:36   ( -70.39, -40.38) 03/25/2023   02:24:14  ( -70.39, -40.40)    0.88                22
 03/27/2023   14:27:47   (  70.51, -41.36) 03/27/2023   14:28:28  (  70.53, -41.28)    3.56                41
 03/27/2023   15:18:29   ( -70.41, 126.12) 03/27/2023   15:17:55  ( -70.38, 126.15)    3.27                34
 03/30/2023   03:21:39   (  70.49, 125.20) 03/30/2023   03:22:09  (  70.49, 125.21)    0.40                30
 03/30/2023   04:12:21   ( -70.39, -67.32) 03/30/2023   04:11:35  ( -70.40, -67.27)    2.00                46
 04/01/2023   16:15:31   (  70.48, -68.26) 04/01/2023   16:15:49  (  70.47, -68.26)    1.63                18
 04/01/2023   17:06:12   ( -70.38,  99.22) 04/01/2023   17:05:14  ( -70.37,  99.25)    1.32                58