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: 12/26/2011
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 12/28/2011 18:22:26 69.02, -97.78 92.19 12/28/2011 18:23:36 68.91, -96.64 92.07 47.18 70
2 12/28/2011 19:12:58 -68.42, 70.33 88.42 12/28/2011 19:13:13 -68.41, 70.38 88.43 2.22 15
3 12/28/2011 20:03:42 68.28,-122.18 91.44 12/28/2011 20:02:41 68.25,-122.18 91.41 3.34 61
4 12/31/2011 10:39:06 68.47, 18.73 91.48 12/31/2011 10:40:13 68.47, 18.70 91.47 1.40 67
5 12/31/2011 11:29:46 -68.36,-173.80 88.65 12/31/2011 11:29:42 -68.37,-173.80 88.64 1.32 4
6 12/31/2011 12:20:25 67.94, -5.97 90.94 12/31/2011 12:19:13 68.03, -6.55 91.03 25.99 72
7 01/03/2012 02:55:55 68.47, 134.51 91.26 01/03/2012 02:56:41 68.46, 134.56 91.24 2.47 46
8 01/03/2012 03:46:35 -68.30, -57.95 88.92 01/03/2012 03:46:12 -68.30, -57.99 88.92 2.04 23
9 01/03/2012 04:37:02 67.24, 110.66 90.01 01/03/2012 04:35:55 67.29, 108.48 90.08 93.54 67
10 01/05/2012 19:12:44 68.43,-109.65 90.95 01/05/2012 19:13:10 68.42,-109.60 90.94 2.27 26
11 01/05/2012 20:03:24 -68.26, 57.90 89.24 01/05/2012 20:02:41 -68.27, 57.85 89.22 2.35 43
12 01/08/2012 10:38:56 -68.90,-161.80 88.89 01/08/2012 10:40:07 -68.77,-160.94 89.05 37.95 71
13 01/08/2012 11:29:32 68.35, 6.25 90.54 01/08/2012 11:29:39 68.37, 6.22 90.56 2.28 7
14 01/08/2012 12:20:13 -68.22, 173.73 89.60 01/08/2012 12:19:10 -68.21, 173.67 89.60 2.59 63

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 12/26/2011
SNOs_Map_NPP_TERRA_20111226.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 12/26/2011 in txt file.

Historical Predictions of SNOs between NPP and TERRA

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service