Simultaneous Nadir Overpasses (SNOs) between NOAA-21 and TERRA
TLE Epoch: 2023 1 5.  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)
 01/07/2023   22:36:55   (  70.60,-163.56) 01/07/2023   22:38:07  (  70.48,-163.01)   24.24                72
 01/07/2023   23:27:32   ( -70.25,   4.32) 01/07/2023   23:27:35  ( -70.24,   4.29)    1.60                 3
 01/08/2023   00:18:13   (  69.98, 172.05) 01/08/2023   00:17:01  (  70.02, 171.63)   16.37                72
 01/10/2023   11:30:56   (  70.92,   2.44) 01/10/2023   11:32:05  (  70.84,   3.97)   56.86                69
 01/10/2023   12:21:27   ( -70.25, 170.83) 01/10/2023   12:21:39  ( -70.27, 170.79)    2.21                12
 01/10/2023   13:12:11   (  70.14, -21.69) 01/10/2023   13:11:03  (  70.15, -21.72)    1.69                68
 01/13/2023   00:24:57   (  71.25, 168.40) 01/13/2023   00:26:03  (  71.16, 170.94)   91.52                66
 01/13/2023   01:15:22   ( -70.26, -22.67) 01/13/2023   01:15:43  ( -70.27, -22.75)    3.18                21
 01/13/2023   02:06:06   (  70.15, 144.81) 01/13/2023   02:05:07  (  70.15, 144.74)    2.61                59
 01/15/2023   14:09:18   ( -70.33, 143.75) 01/15/2023   14:09:46  ( -70.30, 143.77)    2.56                28
 01/15/2023   15:00:01   (  70.17, -48.70) 01/15/2023   14:59:10  (  70.18, -48.75)    2.56                51
 01/18/2023   03:03:12   ( -70.34, -49.77) 01/18/2023   03:03:48  ( -70.32, -49.75)    3.24                36
 01/18/2023   03:53:55   (  70.19, 117.78) 01/18/2023   03:53:12  (  70.19, 117.73)    2.02                43