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: 9/16/2012
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 09/17/2012 20:01:42 -68.27, 57.84 113.71 09/17/2012 20:02:31 -68.29, 57.87 113.69 2.78 49
2 09/17/2012 20:52:26 68.13,-134.69 66.17 09/17/2012 20:51:59 68.12,-134.68 66.15 1.63 27
3 09/17/2012 21:42:51 -67.14, 33.83 114.81 09/17/2012 21:41:43 -67.23, 31.94 114.73 82.12 68
4 09/20/2012 11:28:09 69.15, 5.11 68.21 09/20/2012 11:29:17 69.04, 7.06 68.10 78.14 68
5 09/20/2012 12:18:35 -68.21, 173.68 112.73 09/20/2012 12:19:00 -68.21, 173.67 112.73 0.56 25
6 09/20/2012 13:09:19 68.08, -18.85 67.16 09/20/2012 13:08:27 68.09, -18.83 67.17 1.64 52
7 09/23/2012 03:44:47 68.29, 122.03 68.39 09/23/2012 03:45:58 68.28, 122.00 68.37 1.71 71
8 09/23/2012 04:35:28 -68.16, -70.48 111.74 09/23/2012 04:35:28 -68.18, -70.49 111.72 2.59 0
9 09/23/2012 05:26:10 67.92, 97.12 68.04 09/23/2012 05:24:57 67.95, 96.89 68.06 10.20 73
10 09/25/2012 20:01:40 68.24,-122.13 69.38 09/25/2012 20:02:26 68.24,-122.17 69.37 1.40 46
11 09/25/2012 20:52:22 -68.16, 45.30 110.70 09/25/2012 20:51:56 -68.14, 45.35 110.72 2.77 26
12 09/25/2012 21:42:47 67.01,-146.01 68.18 09/25/2012 21:41:40 67.06,-148.22 68.22 96.24 67
13 09/28/2012 11:28:05 -69.21,-174.97 108.62 09/28/2012 11:29:12 -69.09,-172.88 108.74 83.99 67
14 09/28/2012 12:18:32 68.19, -6.29 70.37 09/28/2012 12:18:53 68.19, -6.34 70.36 2.10 21
15 09/28/2012 13:09:14 -68.10, 161.14 109.71 09/28/2012 13:08:23 -68.09, 161.17 109.73 1.82 51

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 9/16/2012
SNOs_Map_NPP_TERRA_20120916.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 09/16/2012 in txt file.

Historical Predictions of SNOs between NPP and TERRA

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service