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: 7/1/2013
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 07/02/2013 19:12:40 68.34,-109.69 45.27 07/02/2013 19:13:27 68.31,-109.69 45.24 2.51 47
2 07/02/2013 20:03:21 -68.18, 57.83 134.89 07/02/2013 20:02:58 -68.16, 57.76 134.90 3.18 23
3 07/02/2013 20:53:47 67.10,-133.55 44.02 07/02/2013 20:52:41 67.14,-135.76 44.10 95.47 66
4 07/05/2013 10:39:07 -69.32,-162.56 133.47 07/05/2013 10:40:14 -69.17,-160.38 133.68 87.63 67
5 07/05/2013 11:29:33 68.26, 6.19 45.43 07/05/2013 11:29:55 68.27, 6.14 45.44 2.02 22
6 07/05/2013 12:20:15 -68.16, 173.64 134.67 07/05/2013 12:19:25 -68.18, 173.66 134.65 2.43 50
7 07/08/2013 02:55:44 -68.40, -45.52 134.15 07/08/2013 02:56:55 -68.39, -45.47 134.16 2.16 71
8 07/08/2013 03:46:27 68.24, 121.99 45.70 07/08/2013 03:46:22 68.26, 122.02 45.71 2.24 5
9 07/08/2013 04:37:07 -68.03, -70.42 134.52 07/08/2013 04:35:54 -68.06, -70.59 134.48 7.66 73
10 07/10/2013 19:12:37 -68.33, 70.35 133.89 07/10/2013 19:13:23 -68.31, 70.33 133.91 1.77 46
11 07/10/2013 20:03:20 68.17,-122.14 45.96 07/10/2013 20:02:50 68.18,-122.19 45.97 2.04 30
12 07/10/2013 20:53:44 -67.10, 46.49 135.14 07/10/2013 20:52:37 -67.14, 44.27 135.04 96.19 67
13 07/13/2013 10:39:00 69.07, 17.83 47.25 07/13/2013 10:40:09 68.92, 19.33 47.06 62.21 69
14 07/13/2013 11:29:29 -68.26,-173.78 133.58 07/13/2013 11:29:49 -68.28,-173.83 133.57 2.61 20
15 07/13/2013 12:20:13 68.16, -6.34 46.32 07/13/2013 12:19:16 68.14, -6.35 46.30 2.47 57

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 7/1/2013
SNOs_Map_NPP_TERRA_20130622.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 07/01/2013 in txt file.

Historical Predictions of SNOs between NPP and TERRA

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service