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: 2/18/2013
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 02/19/2013 11:28:31 -68.49,-174.11 100.41 02/19/2013 11:29:42 -68.41,-173.69 100.51 19.10 71
2 02/19/2013 12:19:11 68.15, -6.37 79.23 02/19/2013 12:19:12 68.14, -6.37 79.21 1.33 1
3 02/19/2013 13:09:52 -68.00, 161.13 100.94 02/19/2013 13:08:42 -68.03, 161.13 100.91 2.84 70
4 02/22/2013 03:45:24 -68.22, -58.00 101.66 02/22/2013 03:46:16 -68.24, -58.02 101.64 3.24 52
5 02/22/2013 04:36:08 68.10, 109.46 78.21 02/22/2013 04:35:44 68.08, 109.43 78.19 2.62 24
6 02/22/2013 05:26:35 -67.19, -82.12 102.75 02/22/2013 05:25:27 -67.25, -83.88 102.63 75.92 68
7 02/24/2013 19:11:56 69.18,-110.84 78.37 02/24/2013 19:13:03 69.12,-108.70 78.23 85.23 67
8 02/24/2013 20:02:21 -68.17, 57.82 102.70 02/24/2013 20:02:48 -68.18, 57.77 102.70 2.24 27
9 02/24/2013 20:53:05 68.06,-134.72 77.17 02/24/2013 20:52:15 68.06,-134.72 77.19 0.90 50
10 02/27/2013 11:28:37 68.29, 6.12 76.44 02/27/2013 11:29:48 68.31, 6.17 76.45 3.43 71
11 02/27/2013 12:19:18 -68.13, 173.63 103.74 02/27/2013 12:19:19 -68.16, 173.62 103.72 2.61 1
12 02/27/2013 13:10:00 67.91, -18.78 76.02 02/27/2013 13:08:48 67.93, -19.00 76.05 9.33 72
13 03/02/2013 03:45:32 68.21, 121.98 75.34 03/02/2013 03:46:19 68.22, 121.94 75.34 2.22 47
14 03/02/2013 04:36:14 -68.11, -70.57 104.79 03/02/2013 04:35:49 -68.13, -70.55 104.77 2.28 25
15 03/02/2013 05:26:40 67.02, 98.05 74.08 03/02/2013 05:25:33 67.05, 95.89 74.19 93.81 67

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 2/18/2013
SNOs_Map_NPP_TERRA_20130219.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 02/18/2013 in txt file.

Historical Predictions of SNOs between NPP and TERRA

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service