Simultaneous Nadir Overpasses (SNOs) between NOAA-21 and TERRA
TLE Epoch: 2022 12 11.  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   ( -70.23, -96.73) 12/13/2022   06:12:43  ( -70.24, -96.77)    2.15                33
 12/13/2022   07:02:54   (  70.11,  70.75) 12/13/2022   07:02:07  (  70.10,  70.69)    2.85                47
 12/15/2022   22:23:05   ( -70.72,  19.78) 12/15/2022   22:24:15  ( -70.62,  20.84)   40.77                70
 12/15/2022   23:13:41   (  70.20,-172.08) 12/15/2022   23:13:44  (  70.20,-172.10)    0.85                 3
 12/16/2022   00:04:13   ( -70.08,  -4.54) 12/16/2022   00:03:10  ( -70.11,  -4.59)    3.20                63
 12/18/2022   15:24:29   (  70.31, -54.94) 12/18/2022   15:25:22  (  70.29, -54.91)    2.75                53
 12/18/2022   16:15:01   ( -70.18, 112.62) 12/18/2022   16:14:48  ( -70.19, 112.60)    1.89                13
 12/18/2022   17:05:31   (  69.35, -78.84) 12/18/2022   17:04:24  (  69.39, -80.84)   78.73                67
 12/21/2022   08:25:49   ( -70.28,-130.23) 12/21/2022   08:26:25  ( -70.31,-130.17)    3.23                36
 12/21/2022   09:16:32   (  70.17,  37.26) 12/21/2022   09:15:49  (  70.17,  37.29)    1.05                43
 12/24/2022   00:36:46   ( -70.88, -13.87) 12/24/2022   00:37:55  ( -70.78, -12.41)   54.54                69
 12/24/2022   01:27:19   (  70.26, 154.43) 12/24/2022   01:27:26  (  70.26, 154.49)    2.39                 7
 12/24/2022   02:17:51   ( -70.13, -38.02) 12/24/2022   02:16:51  ( -70.16, -38.01)    2.72                60