Simultaneous Nadir Overpasses (SNOs) between NOAA-20 and TERRA
TLE Epoch: 2018 12 21.  Predictions up to the next  14.0 days:

     Date     Time(NOAA-20) NOAA-20 Lat/Lon Date Time(TERRA) TERRA Lat/Lon    Distance(km)  Time Diff(sec)
 12/22/2018   11:04:13   ( -68.30,-167.48) 12/22/2018   11:05:16  ( -68.31,-167.54)    2.42                63
 12/22/2018   11:54:57   (  68.17,  -0.01) 12/22/2018   11:54:43  (  68.20,  -0.02)    3.23                14
 12/22/2018   12:45:31   ( -67.66, 167.95) 12/22/2018   12:44:20  ( -67.70, 167.03)   39.11                71
 12/25/2018   03:21:09   ( -68.28, -51.68) 12/25/2018   03:21:45  ( -68.26, -51.71)    1.84                36
 12/25/2018   04:11:53   (  68.15, 115.79) 12/25/2018   04:11:12  (  68.15, 115.80)    0.55                41
 12/27/2018   18:47:30   (  68.67,-103.74) 12/27/2018   18:48:41  (  68.54,-103.13)   28.63                71
 12/27/2018   19:38:06   ( -68.25,  64.12) 12/27/2018   19:38:14  ( -68.27,  64.17)    2.69                 8
 12/27/2018   20:28:49   (  68.08,-128.35) 12/27/2018   20:27:42  (  68.09,-128.39)    2.35                67
 12/30/2018   11:04:21   (  68.32,  12.47) 12/30/2018   11:05:14  (  68.30,  12.46)    2.45                53
 12/30/2018   11:55:02   ( -68.18, 179.98) 12/30/2018   11:54:44  ( -68.20, 179.98)    2.87                18
 12/30/2018   12:45:32   (  67.30, -11.64) 12/30/2018   12:44:24  (  67.35, -13.35)   73.60                68
 01/02/2019   03:21:17   (  68.25, 128.33) 01/02/2019   03:21:43  (  68.28, 128.33)    3.46                26
 01/02/2019   04:11:59   ( -68.16, -64.23) 01/02/2019   04:11:14  ( -68.13, -64.23)    2.76                45