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: 2/7/2012
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 02/09/2012 10:38:42 -69.13,-162.13 96.09 02/09/2012 10:39:51 -69.03,-160.57 96.25 62.88 69
2 02/09/2012 11:29:14 68.38, 6.19 83.12 02/09/2012 11:29:28 68.36, 6.25 83.10 2.81 14
3 02/09/2012 12:19:55 -68.23, 173.70 97.05 02/09/2012 12:18:59 -68.20, 173.69 97.07 2.56 56
4 02/12/2012 02:55:25 -68.44, -45.44 97.68 02/12/2012 02:56:34 -68.42, -45.47 97.71 2.80 69
5 02/12/2012 03:46:09 68.33, 122.01 82.20 02/12/2012 03:46:01 68.30, 122.04 82.17 3.13 8
6 02/12/2012 04:36:47 -68.01, -70.27 98.14 02/12/2012 04:35:34 -68.03, -70.65 98.10 15.74 73
7 02/14/2012 19:12:19 -68.40, 70.38 98.62 02/14/2012 19:13:05 -68.40, 70.38 98.63 0.15 46
8 02/14/2012 20:03:03 68.29,-122.18 81.26 02/14/2012 20:02:32 68.28,-122.12 81.26 2.73 31
9 02/14/2012 20:53:26 -67.16, 46.51 99.92 02/14/2012 20:52:19 -67.23, 44.32 99.77 95.09 67
10 02/17/2012 10:38:47 69.28, 17.63 81.40 02/17/2012 10:39:54 69.19, 19.60 81.23 78.41 67
11 02/17/2012 11:29:14 -68.37,-173.82 99.57 02/17/2012 11:29:37 -68.37,-173.79 99.58 1.26 23
12 02/17/2012 12:19:57 68.21, -6.31 80.26 02/17/2012 12:19:05 68.19, -6.36 80.25 2.71 52
13 02/20/2012 02:55:27 68.46, 134.50 79.59 02/20/2012 02:56:38 68.47, 134.57 79.59 3.03 71
14 02/20/2012 03:46:08 -68.29, -57.97 100.59 02/20/2012 03:46:09 -68.32, -57.98 100.57 2.53 1
15 02/20/2012 04:36:50 68.09, 109.60 79.18 02/20/2012 04:35:37 68.14, 109.46 79.25 8.62 73

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 2/7/2012
SNOs_Map_NPP_TERRA_20120207.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 02/07/2012 in txt file.

Historical Predictions of SNOs between NPP and TERRA

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service