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: 12/25/2011
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 12/26/2011 02:56:07 -68.41, -45.43 88.33 12/26/2011 02:56:43 -68.41, -45.50 88.33 2.82 36
2 12/26/2011 03:46:52 68.32, 121.99 91.58 12/26/2011 03:46:10 68.31, 122.01 91.57 1.53 42
3 12/28/2011 18:22:26 69.02, -97.79 92.20 12/28/2011 18:23:36 68.88, -96.67 92.04 47.02 70
4 12/28/2011 19:12:57 -68.37, 70.40 88.47 12/28/2011 19:13:13 -68.38, 70.34 88.46 2.63 16
5 12/28/2011 20:03:42 68.28,-122.18 91.44 12/28/2011 20:02:40 68.27,-122.14 91.43 1.67 62
6 12/31/2011 10:39:07 68.51, 18.68 91.51 12/31/2011 10:40:12 68.49, 18.72 91.49 2.19 65
7 12/31/2011 11:29:47 -68.34,-173.78 88.67 12/31/2011 11:29:43 -68.33,-173.84 88.67 2.59 4
8 12/31/2011 12:20:26 67.92, -5.95 90.92 12/31/2011 12:19:14 67.99, -6.60 90.99 27.93 72
9 01/03/2012 02:55:56 68.42, 134.57 91.21 01/03/2012 02:56:42 68.41, 134.51 91.20 2.96 46
10 01/03/2012 03:46:37 -68.31, -57.96 88.92 01/03/2012 03:46:12 -68.31, -57.98 88.91 1.24 25
11 01/03/2012 04:37:03 67.19, 110.71 89.95 01/03/2012 04:35:56 67.24, 108.43 90.04 98.18 67
12 01/05/2012 18:22:20 -69.54, 81.51 87.90 01/05/2012 18:23:26 -69.42, 84.03 88.07 99.17 66
13 01/05/2012 19:12:45 68.40,-109.62 90.92 01/05/2012 19:13:09 68.42,-109.60 90.93 2.15 24
14 01/05/2012 20:03:26 -68.28, 57.86 89.22 01/05/2012 20:02:40 -68.26, 57.85 89.23 1.64 46

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 12/25/2011
SNOs_Map_NPP_TERRA_20111225.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 12/25/2011 in txt file.

Historical Predictions of SNOs between NPP and TERRA

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service