Simultaneous Nadir Overpasses (SNOs) between NOAA-21 and TERRA
TLE Epoch: 2025 11 10.  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)
 11/13/2025   02:51:40   ( -74.61, -55.37) 11/13/2025   02:52:35  ( -74.59, -55.36)    2.48                55
 11/13/2025   03:42:24   (  74.51, 112.22) 11/13/2025   03:41:55  (  74.52, 112.15)    2.35                29
 11/15/2025   13:13:27   (  74.61, -30.79) 11/15/2025   13:13:53  (  74.59, -30.73)    2.62                26
 11/15/2025   14:04:09   ( -74.51, 136.79) 11/15/2025   14:03:14  ( -74.50, 136.71)    2.84                55
 11/17/2025   22:44:37   (  75.05,-174.78) 11/17/2025   22:45:45  (  74.94,-172.93)   54.50                68
 11/17/2025   23:35:11   ( -74.56,  -6.10) 11/17/2025   23:35:11  ( -74.59,  -6.12)    3.28                 0
 11/18/2025   00:25:47   (  74.08, 162.46) 11/18/2025   00:24:38  (  74.15, 160.54)   58.90                69
 11/20/2025   09:06:13   ( -74.62,-149.01) 11/20/2025   09:07:08  ( -74.65,-149.01)    3.79                55
 11/20/2025   09:56:58   (  74.58,  18.40) 11/20/2025   09:56:28  (  74.57,  18.47)    2.45                30
 11/22/2025   19:27:59   (  74.61,-124.41) 11/22/2025   19:28:25  (  74.60,-124.51)    2.92                26