Simultaneous Nadir Overpasses (SNOs) between NOAA-21 and TERRA
TLE Epoch: 2023 8 18.  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)
 08/18/2023   11:54:23   ( -71.69, 174.84) 08/18/2023   11:55:31  ( -71.60, 177.00)   76.56                68
 08/18/2023   12:44:54   (  70.90, -16.48) 08/18/2023   12:45:05  (  70.91, -16.42)    2.56                11
 08/18/2023   13:35:36   ( -70.81, 150.99) 08/18/2023   13:34:30  ( -70.80, 151.06)    3.14                66
 08/21/2023   00:48:06   ( -70.95, -17.36) 08/21/2023   00:49:01  ( -70.94, -17.38)    1.05                55
 08/21/2023   01:38:50   (  70.83, 150.14) 08/21/2023   01:38:24  (  70.86, 150.14)    2.50                26
 08/23/2023   12:51:36   (  71.81, -19.68) 08/23/2023   12:52:42  (  71.69, -17.20)   87.42                66
 08/23/2023   13:42:03   ( -70.94, 149.17) 08/23/2023   13:42:19  ( -70.92, 149.23)    3.21                16
 08/23/2023   14:32:46   (  70.77, -43.25) 08/23/2023   14:31:43  (  70.77, -43.33)    2.97                63
 08/26/2023   01:45:17   (  70.98, 148.29) 08/26/2023   01:46:12  (  70.98, 148.32)    0.87                55
 08/26/2023   02:35:59   ( -70.88, -44.23) 08/26/2023   02:35:37  ( -70.87, -44.20)    2.16                22
 08/28/2023   13:48:45   ( -71.92, 145.83) 08/28/2023   13:49:51  ( -71.81, 148.64)   98.09                66
 08/28/2023   14:39:12   (  70.93, -45.11) 08/28/2023   14:39:28  (  70.95, -45.07)    3.30                16
 08/28/2023   15:29:54   ( -70.83, 122.36) 08/28/2023   15:28:53  ( -70.84, 122.42)    2.41                61
 08/31/2023   02:42:24   ( -70.99, -46.02) 08/31/2023   02:43:22  ( -71.00, -46.00)    1.01                58
 08/31/2023   03:33:08   (  70.89, 121.47) 08/31/2023   03:32:45  (  70.90, 121.51)    2.48                23