Simultaneous Nadir Overpasses (SNOs) between NPP and TERRA
TLE Epoch: 2021 6 2.  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)
 06/04/2021   01:14:25   (  68.65, 159.57) 06/04/2021   01:15:28  (  68.62, 159.55)    3.20                63
 06/04/2021   02:05:06   ( -68.50, -32.92) 06/04/2021   02:04:58  ( -68.51, -32.95)    1.63                 8
 06/04/2021   02:55:42   (  67.95, 135.09) 06/04/2021   02:54:31  (  68.06, 134.16)   40.83                71
 06/06/2021   17:31:21   (  68.59, -84.60) 06/06/2021   17:31:54  (  68.58, -84.61)    1.22                33
 06/06/2021   18:22:03   ( -68.50,  82.85) 06/06/2021   18:21:24  ( -68.48,  82.90)    2.90                39
 06/09/2021   08:57:38   ( -68.92,-136.58) 06/09/2021   08:58:50  ( -68.83,-136.06)   23.15                72
 06/09/2021   09:48:17   (  68.54,  31.24) 06/09/2021   09:48:20  (  68.54,  31.23)    0.36                 3
 06/09/2021   10:38:59   ( -68.45,-161.32) 06/09/2021   10:37:50  ( -68.44,-161.26)    2.29                69
 06/12/2021   01:14:29   ( -68.61, -20.39) 06/12/2021   01:15:19  ( -68.63, -20.44)    2.67                50
 06/12/2021   02:05:13   (  68.50, 147.06) 06/12/2021   02:04:46  (  68.50, 147.06)    0.32                27
 06/12/2021   02:55:39   ( -67.54, -44.41) 06/12/2021   02:54:31  ( -67.56, -46.40)   84.58                68
 06/14/2021   16:40:55   (  69.36, -72.97) 06/14/2021   16:42:04  (  69.23, -71.42)   62.86                69
 06/14/2021   17:31:24   ( -68.56,  95.44) 06/14/2021   17:31:44  ( -68.58,  95.39)    2.62                20
 06/14/2021   18:22:08   (  68.45, -97.11) 06/14/2021   18:21:11  (  68.45, -97.12)    0.76                57