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: 3/30/2013
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 03/31/2013 11:29:12 68.24, 6.08 63.83 03/31/2013 11:30:11 68.23, 6.03 63.82 2.05 59
2 03/31/2013 12:19:53 -68.10, 173.57 116.33 03/31/2013 12:19:41 -68.12, 173.54 116.30 2.77 12
3 03/31/2013 13:10:27 67.43, -18.30 62.98 03/31/2013 13:09:17 67.51, -19.52 63.08 52.95 70
4 04/03/2013 03:46:09 68.21, 121.88 62.77 04/03/2013 03:46:42 68.20, 121.87 62.75 1.32 33
5 04/03/2013 04:36:50 -68.07, -70.62 117.39 04/03/2013 04:36:12 -68.09, -70.62 117.37 2.68 38
6 04/05/2013 19:12:29 -68.68, 69.72 117.76 04/05/2013 19:13:40 -68.60, 70.59 117.86 36.21 71
7 04/05/2013 20:03:06 68.18,-122.32 61.72 04/05/2013 20:03:13 68.15,-122.31 61.68 3.28 7
8 04/05/2013 20:53:47 -68.04, 45.18 118.44 04/05/2013 20:52:43 -68.05, 45.20 118.43 1.44 64
9 04/08/2013 11:29:18 -68.28,-173.99 119.18 04/08/2013 11:30:15 -68.27,-173.94 119.20 2.66 57
10 04/08/2013 12:20:01 68.10, -6.45 60.63 04/08/2013 12:19:43 68.09, -6.50 60.62 2.48 18
11 04/08/2013 13:10:32 -67.43, 161.70 120.08 04/08/2013 13:09:22 -67.49, 160.44 119.99 54.30 70
12 04/11/2013 03:46:14 -68.21, -58.13 120.25 04/11/2013 03:46:46 -68.20, -58.15 120.26 1.49 32
13 04/11/2013 04:36:58 68.09, 109.34 59.62 04/11/2013 04:36:13 68.08, 109.35 59.61 1.13 45
14 04/13/2013 19:12:32 68.45,-109.98 59.03 04/13/2013 19:13:44 68.38,-109.69 58.96 14.16 72

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 3/30/2013
SNOs_Map_NPP_TERRA_20130331.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 03/30/2013 in txt file.

Historical Predictions of SNOs between NPP and TERRA

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service