Simultaneous Nadir Overpasses (SNOs) Predictions

Prediction of SNOs between NPP and TERRA Satellite Orbit:

Table of predicted SNOs for the next 14.0 days since TLE Epoch: 9/13/2017
Index Date (NPP) Time (NPP) Lat,Lon (NPP) SZA (NPP ) Date (TERRA) Time (TERRA) Lat,Lon (TERRA) SZA (TERRA ) Distance(km) Time Diff (sec)
1 09/15/2017 18:23:01 -69.17, 81.92 113.68 09/15/2017 18:24:10 -69.03, 83.50 113.83 64.93 69
2 09/15/2017 19:13:32 68.35,-109.67 65.51 09/15/2017 19:13:47 68.36,-109.68 65.52 1.09 15
3 09/15/2017 20:04:13 -68.21, 57.82 114.62 09/15/2017 20:03:18 -68.20, 57.76 114.64 3.08 55
4 09/18/2017 10:39:44 -68.42,-161.31 113.40 09/18/2017 10:40:49 -68.43,-161.36 113.40 2.10 65
5 09/18/2017 11:30:28 68.30, 6.16 66.49 09/18/2017 11:30:16 68.31, 6.14 66.50 1.37 12
6 09/18/2017 12:21:03 -67.84, 174.06 113.96 09/18/2017 12:19:51 -67.93, 173.32 113.87 32.37 72
7 09/21/2017 02:56:41 -68.43, -45.55 112.35 09/21/2017 02:57:17 -68.42, -45.49 112.36 2.83 36
8 09/21/2017 03:47:24 68.25, 121.99 67.49 09/21/2017 03:46:45 68.24, 121.95 67.48 1.80 39
9 09/23/2017 18:23:00 68.79, -97.59 69.05 09/23/2017 18:24:11 68.67, -96.94 68.92 29.83 71
10 09/23/2017 19:13:35 -68.33, 70.34 111.41 09/23/2017 19:13:45 -68.34, 70.30 111.40 2.24 10
11 09/23/2017 20:04:19 68.21,-122.19 68.49 09/23/2017 20:03:12 68.22,-122.20 68.50 1.71 67
12 09/26/2017 10:39:50 68.43, 18.66 69.73 09/26/2017 10:40:43 68.40, 18.63 69.70 3.20 53
13 09/26/2017 11:30:31 -68.29,-173.83 110.41 09/26/2017 11:30:13 -68.31,-173.86 110.39 2.40 18
14 09/26/2017 12:21:01 67.41, -5.44 68.74 09/26/2017 12:19:53 67.45, -7.20 68.77 75.34 68

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 9/13/2017
SNOs_Map_NPP_TERRA_20170913.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 09/13/2017 in txt file.

Historical Predictions of SNOs between NPP and TERRA

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service