Simultaneous Nadir Overpasses (SNOs) between NPP and TERRA
TLE Epoch: 2021 4 13.  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)
 04/14/2021   09:48:02   ( -69.03,-149.35) 04/14/2021   09:49:13  ( -68.91,-148.35)   42.36                71
 04/14/2021   10:38:37   (  68.47,  18.71) 04/14/2021   10:38:45  (  68.47,  18.75)    1.72                 8
 04/14/2021   11:29:18   ( -68.35,-173.81) 04/14/2021   11:28:15  ( -68.36,-173.75)    2.54                63
 04/17/2021   02:04:46   ( -68.55, -32.93) 04/17/2021   02:05:46  ( -68.55, -32.92)    0.97                60
 04/17/2021   02:55:30   (  68.42, 134.55) 04/17/2021   02:55:13  (  68.43, 134.59)    1.82                17
 04/17/2021   03:46:02   ( -67.81, -57.35) 04/17/2021   03:44:51  ( -67.88, -58.43)   46.00                71
 04/19/2021   18:21:39   ( -68.50,  82.92) 04/19/2021   18:22:14  ( -68.51,  82.91)    0.61                35
 04/19/2021   19:12:23   (  68.38,-109.61) 04/19/2021   19:11:41  (  68.39,-109.58)    2.14                42
 04/22/2021   09:47:57   (  68.92,  30.82) 04/22/2021   09:49:08  (  68.79,  31.51)   30.72                71
 04/22/2021   10:38:32   ( -68.46,-161.25) 04/22/2021   10:38:42  ( -68.47,-161.26)    1.35                10
 04/22/2021   11:29:16   (  68.33,   6.22) 04/22/2021   11:28:09  (  68.35,   6.24)    1.74                67
 04/25/2021   02:04:43   (  68.56, 147.08) 04/25/2021   02:05:38  (  68.58, 147.12)    2.55                55
 04/25/2021   02:55:24   ( -68.41, -45.41) 04/25/2021   02:55:09  ( -68.42, -45.44)    1.46                15
 04/25/2021   03:45:56   (  67.65, 122.86) 04/25/2021   03:44:47  (  67.68, 121.34)   64.33                69