Simultaneous Nadir Overpasses (SNOs) between NOAA-21 and TERRA
TLE Epoch: 2022 12 10.  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)
 12/10/2022   13:10:50   (  70.27, -21.48) 12/10/2022   13:11:38  (  70.24, -21.48)    3.51                48
 12/10/2022   14:01:22   ( -70.18, 146.03) 12/10/2022   14:01:04  ( -70.15, 146.04)    3.12                18
 12/10/2022   14:51:49   (  69.15, -45.15) 12/10/2022   14:50:43  (  69.17, -47.62)   97.62                66
 12/13/2022   06:12:10   ( -70.24, -96.76) 12/13/2022   06:12:43  ( -70.22, -96.79)    2.35                33
 12/13/2022   07:02:54   (  70.13,  70.73) 12/13/2022   07:02:06  (  70.14,  70.74)    1.20                48
 12/15/2022   22:23:06   ( -70.74,  19.75) 12/15/2022   22:24:16  ( -70.61,  20.82)   42.13                70
 12/15/2022   23:13:42   (  70.22,-172.11) 12/15/2022   23:13:45  (  70.19,-172.12)    3.30                 3
 12/16/2022   00:04:14   ( -70.10,  -4.57) 12/16/2022   00:03:11  ( -70.09,  -4.61)    1.64                63
 12/18/2022   15:24:28   (  70.28, -54.89) 12/18/2022   15:25:22  (  70.28, -54.93)    1.77                54
 12/18/2022   16:15:01   ( -70.19, 112.60) 12/18/2022   16:14:48  ( -70.18, 112.58)    1.94                13
 12/18/2022   17:05:31   (  69.36, -78.86) 12/18/2022   17:04:23  (  69.43, -80.79)   75.71                68
 12/21/2022   08:25:49   ( -70.30,-130.26) 12/21/2022   08:26:25  ( -70.30,-130.19)    2.68                36
 12/21/2022   09:16:31   (  70.13,  37.32) 12/21/2022   09:15:49  (  70.15,  37.27)    2.93                42
 12/24/2022   00:36:46   ( -70.89, -13.90) 12/24/2022   00:37:55  ( -70.77, -12.42)   55.70                69
 12/24/2022   01:27:18   (  70.23, 154.48) 12/24/2022   01:27:26  (  70.25, 154.48)    2.52                 8
 12/24/2022   02:17:52   ( -70.15, -38.05) 12/24/2022   02:16:52  ( -70.15, -38.02)    1.09                60