Simultaneous Nadir Overpasses (SNOs) between NOAA-21 and TERRA
TLE Epoch: 2022 12 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)
 12/21/2022   08:25:49   ( -70.27,-130.21) 12/21/2022   08:26:25  ( -70.29,-130.20)    1.59                36
 12/21/2022   09:16:32   (  70.16,  37.28) 12/21/2022   09:15:49  (  70.16,  37.27)    0.15                43
 12/24/2022   00:36:45   ( -70.87, -13.85) 12/24/2022   00:37:54  ( -70.76, -12.44)   52.98                69
 12/24/2022   01:27:18   (  70.25, 154.44) 12/24/2022   01:27:25  (  70.24, 154.47)    1.36                 7
 12/24/2022   02:17:51   ( -70.12, -38.00) 12/24/2022   02:16:51  ( -70.13, -38.04)    1.76                60
 12/26/2022   17:38:04   (  70.31, -88.33) 12/26/2022   17:39:02  (  70.31, -88.37)    1.57                58
 12/26/2022   18:28:38   ( -70.21,  79.18) 12/26/2022   18:28:28  ( -70.20,  79.12)    2.70                10
 12/26/2022   19:19:10   (  69.56,-112.54) 12/26/2022   19:18:01  (  69.57,-114.09)   60.14                69
 12/29/2022   10:39:25   ( -70.31,-163.66) 12/29/2022   10:40:04  ( -70.29,-163.67)    1.84                39
 12/29/2022   11:30:06   (  70.17,   3.87) 12/29/2022   11:29:28  (  70.16,   3.80)    2.79                38
 01/01/2023   02:50:22   ( -70.94, -47.37) 01/01/2023   02:51:31  ( -70.86, -45.77)   59.12                69
 01/01/2023   03:40:52   (  70.27, 121.04) 01/01/2023   03:41:03  (  70.29, 121.06)    2.44                11
 01/01/2023   04:31:27   ( -70.15, -71.43) 01/01/2023   04:30:29  ( -70.18, -71.46)    3.04                58