Simultaneous Nadir Overpasses (SNOs) between NOAA-19 and TERRA
TLE Epoch: 2017 12 21.  Predictions up to the next  14.0 days:

     Date     Time(NOAA-19) NOAA-19 Lat/Lon Date Time(TERRA) TERRA Lat/Lon    Distance(km)  Time Diff(sec)
 12/21/2017   23:11:33   (  76.39,-154.14) 12/21/2017   23:11:53  (  76.38,-154.00)    3.79                20
 12/22/2017   00:02:29   ( -76.31,  13.40) 12/22/2017   00:01:22  ( -76.30,  13.37)    1.44                67
 12/24/2017   04:45:12   ( -76.38, -57.48) 12/24/2017   04:45:39  ( -76.35, -57.53)    3.38                27
 12/24/2017   05:36:14   (  76.33, 109.95) 12/24/2017   05:35:05  (  76.34, 110.07)    3.27                69
 12/26/2017   10:18:56   (  76.39,  39.13) 12/26/2017   10:19:22  (  76.39,  39.15)    0.53                26
 12/26/2017   11:09:54   ( -76.35,-153.46) 12/26/2017   11:08:50  ( -76.36,-153.30)    4.28                64
 12/28/2017   15:52:36   ( -76.38, 135.81) 12/28/2017   15:53:07  ( -76.41, 135.78)    2.92                31
 12/28/2017   16:43:37   (  76.35, -56.80) 12/28/2017   16:42:34  (  76.34, -56.80)    0.38                63
 12/30/2017   21:26:19   (  76.41,-127.63) 12/30/2017   21:26:50  (  76.43,-127.57)    3.19                31
 12/30/2017   22:17:18   ( -76.36,  39.81) 12/30/2017   22:16:19  ( -76.36,  39.82)    0.33                59
 01/02/2018   03:00:01   ( -76.44, -31.11) 01/02/2018   03:00:35  ( -76.45, -30.96)    3.86                34