Simultaneous Nadir Overpasses (SNOs) between NOAA-21 and TERRA
TLE Epoch: 2023 1 14.  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)
 01/15/2023   14:09:16   ( -70.29, 143.80) 01/15/2023   14:09:44  ( -70.29, 143.74)    2.28                28
 01/15/2023   15:00:00   (  70.18, -48.71) 01/15/2023   14:59:08  (  70.17, -48.76)    1.80                52
 01/18/2023   03:03:11   ( -70.33, -49.74) 01/18/2023   03:03:46  ( -70.30, -49.76)    2.82                35
 01/18/2023   03:53:55   (  70.21, 117.74) 01/18/2023   03:53:10  (  70.19, 117.73)    3.15                45
 01/20/2023   15:57:05   ( -70.32, 116.79) 01/20/2023   15:57:47  ( -70.34, 116.77)    2.59                42
 01/20/2023   16:47:49   (  70.21, -75.73) 01/20/2023   16:47:11  (  70.22, -75.75)    1.39                38
 01/23/2023   04:50:59   ( -70.32, -76.70) 01/23/2023   04:51:48  ( -70.35, -76.75)    3.31                49
 01/23/2023   05:41:43   (  70.22,  90.78) 01/23/2023   05:41:12  (  70.22,  90.72)    2.24                31
 01/25/2023   17:44:54   ( -70.39,  89.72) 01/25/2023   17:45:48  ( -70.37,  89.75)    2.69                54
 01/25/2023   18:35:37   (  70.23,-102.73) 01/25/2023   18:35:12  (  70.23,-102.78)    2.00                25