Simultaneous Nadir Overpasses (SNOs) between NOAA-21 and TERRA
TLE Epoch: 2022 12 12.  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)
 12/13/2022   06:12:10   ( -70.24, -96.76) 12/13/2022   06:12:43  ( -70.22, -96.80)    2.41                33
 12/13/2022   07:02:54   (  70.12,  70.73) 12/13/2022   07:02:06  (  70.14,  70.74)    1.56                48
 12/15/2022   22:23:05   ( -70.69,  19.84) 12/15/2022   22:24:16  ( -70.60,  20.82)   37.05                71
 12/15/2022   23:13:42   (  70.22,-172.10) 12/15/2022   23:13:45  (  70.19,-172.12)    3.18                 3
 12/16/2022   00:04:14   ( -70.10,  -4.56) 12/16/2022   00:03:11  ( -70.09,  -4.61)    2.04                63
 12/18/2022   15:24:28   (  70.27, -54.88) 12/18/2022   15:25:22  (  70.27, -54.94)    2.17                54
 12/18/2022   16:15:01   ( -70.19, 112.60) 12/18/2022   16:14:48  ( -70.17, 112.57)    2.47                13
 12/18/2022   17:05:31   (  69.36, -78.86) 12/18/2022   17:04:23  (  69.42, -80.79)   76.11                68
 12/21/2022   08:25:49   ( -70.30,-130.25) 12/21/2022   08:26:25  ( -70.29,-130.20)    2.34                36
 12/21/2022   09:16:31   (  70.13,  37.32) 12/21/2022   09:15:49  (  70.15,  37.26)    3.02                42
 12/24/2022   00:36:46   ( -70.89, -13.89) 12/24/2022   00:37:55  ( -70.76, -12.43)   55.19                69
 12/24/2022   01:27:18   (  70.23, 154.49) 12/24/2022   01:27:26  (  70.24, 154.46)    2.10                 8
 12/24/2022   02:17:52   ( -70.15, -38.04) 12/24/2022   02:16:52  ( -70.14, -38.03)    1.05                60