Simultaneous Nadir Overpasses (SNOs) between NOAA-21 and TERRA
TLE Epoch: 2023 1 7.  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   22:36:56   (  70.63,-163.59) 01/07/2023   22:38:07  (  70.51,-162.97)   26.18                71
 01/07/2023   23:27:33   ( -70.28,   4.28) 01/07/2023   23:27:35  ( -70.27,   4.33)    1.90                 2
 01/08/2023   00:18:14   (  70.00, 172.01) 01/08/2023   00:17:01  (  70.05, 171.67)   14.04                73
 01/10/2023   11:30:56   (  70.95,   2.40) 01/10/2023   11:32:05  (  70.80,   3.93)   57.87                69
 01/10/2023   12:21:27   ( -70.28, 170.79) 01/10/2023   12:21:38  ( -70.29, 170.82)    1.36                11
 01/10/2023   13:12:11   (  70.16, -21.72) 01/10/2023   13:11:02  (  70.17, -21.69)    1.79                69
 01/13/2023   00:24:57   (  71.27, 168.36) 01/13/2023   00:26:03  (  71.12, 170.88)   91.93                66
 01/13/2023   01:15:22   ( -70.29, -22.71) 01/13/2023   01:15:42  ( -70.28, -22.73)    0.94                20
 01/13/2023   02:06:06   (  70.18, 144.77) 01/13/2023   02:05:06  (  70.17, 144.76)    1.22                60
 01/15/2023   14:09:17   ( -70.30, 143.78) 01/15/2023   14:09:45  ( -70.31, 143.77)    0.41                28
 01/15/2023   15:00:01   (  70.20, -48.74) 01/15/2023   14:59:09  (  70.19, -48.74)    0.93                52
 01/18/2023   03:03:12   ( -70.33, -49.74) 01/18/2023   03:03:48  ( -70.31, -49.76)    2.18                36
 01/18/2023   03:53:56   (  70.22, 117.73) 01/18/2023   03:53:11  (  70.24, 117.80)    3.30                45
 01/20/2023   15:57:07   ( -70.36, 116.73) 01/20/2023   15:57:50  ( -70.34, 116.76)    2.21                43
 01/20/2023   16:47:50   (  70.20, -75.72) 01/20/2023   16:47:14  (  70.21, -75.77)    2.09                36