Simultaneous Nadir Overpasses (SNOs) between NPP and TERRA
TLE Epoch: 2016 4 22.  Predictions up to the next  14.0 days:

     Date     Time(NPP) NPP Lat/Lon Date Time(TERRA) TERRA Lat/Lon    Distance(km)  Time Diff(sec)
 04/24/2016   09:49:47   (  69.27,  30.33) 04/24/2016   09:50:56  (  69.16,  32.01)   67.33                69
 04/24/2016   10:40:15   ( -68.43,-161.22) 04/24/2016   10:40:37  ( -68.45,-161.25)    2.75                22
 04/24/2016   11:30:59   (  68.31,   6.25) 04/24/2016   11:30:04  (  68.33,   6.25)    3.12                55
 04/27/2016   02:06:29   (  68.53, 147.09) 04/27/2016   02:07:40  (  68.55, 147.10)    1.64                71
 04/27/2016   02:57:10   ( -68.39, -45.40) 04/27/2016   02:57:11  ( -68.39, -45.46)    2.37                 1
 04/27/2016   03:47:52   (  68.16, 122.20) 04/27/2016   03:46:39  (  68.22, 121.98)   11.19                73
 04/29/2016   18:23:24   (  68.50, -97.10) 04/29/2016   18:24:14  (  68.49, -97.11)    0.91                50
 04/29/2016   19:14:06   ( -68.40,  70.34) 04/29/2016   19:13:44  ( -68.39,  70.41)    3.04                22
 04/29/2016   20:04:33   (  67.37,-121.07) 04/29/2016   20:03:26  (  67.44,-123.06)   85.39                67
 05/02/2016   10:40:18   (  68.47,  18.71) 05/02/2016   10:40:46  (  68.49,  18.76)    3.19                28
 05/02/2016   11:30:59   ( -68.32,-173.78) 05/02/2016   11:30:17  ( -68.34,-173.80)    2.01                42
 05/05/2016   02:06:37   ( -68.98, -33.52) 05/05/2016   02:07:47  ( -68.88, -32.54)   40.94                70
 05/05/2016   02:57:13   (  68.44, 134.51) 05/05/2016   02:57:20  (  68.43, 134.55)    1.92                 7
 05/05/2016   03:47:54   ( -68.29, -57.98) 05/05/2016   03:46:51  ( -68.28, -58.00)    1.40                63