Simultaneous Nadir Overpasses (SNOs) between NOAA-21 and TERRA
TLE Epoch: 2023 1 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)
 01/20/2023   15:57:05   ( -70.33, 116.78) 01/20/2023   15:57:46  ( -70.35, 116.78)    2.76                41
 01/20/2023   16:47:49   (  70.21, -75.74) 01/20/2023   16:47:10  (  70.24, -75.72)    2.74                39
 01/23/2023   04:50:59   ( -70.34, -76.72) 01/23/2023   04:51:47  ( -70.32, -76.78)    2.91                48
 01/23/2023   05:41:43   (  70.22,  90.77) 01/23/2023   05:41:10  (  70.26,  90.78)    3.49                33
 01/25/2023   17:44:53   ( -70.36,  89.77) 01/25/2023   17:45:46  ( -70.36,  89.75)    0.86                53
 01/25/2023   18:35:37   (  70.25,-102.75) 01/25/2023   18:35:10  (  70.23,-102.78)    2.47                27
 01/28/2023   06:38:47   ( -70.39,-103.76) 01/28/2023   06:39:44  ( -70.40,-103.71)    2.37                57
 01/28/2023   07:29:30   (  70.28,  63.71) 01/28/2023   07:29:07  (  70.27,  63.76)    2.68                23
 01/28/2023   08:19:55   ( -69.29,-127.50) 01/28/2023   08:18:48  ( -69.32,-129.88)   93.69                67
 01/30/2023   19:32:39   ( -70.38,  62.77) 01/30/2023   19:33:41  ( -70.40,  62.78)    1.85                62
 01/30/2023   20:23:23   (  70.28,-129.76) 01/30/2023   20:23:05  (  70.26,-129.76)    2.47                18