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: 12/29/2012
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 12/30/2012 20:01:41 68.20,-122.10 91.20 12/30/2012 20:02:42 68.23,-122.13 91.22 3.32 61
2 12/30/2012 20:52:22 -68.08, 45.37 88.93 12/30/2012 20:52:13 -68.07, 45.32 88.95 2.65 9
3 12/30/2012 21:42:58 67.50,-146.62 90.48 12/30/2012 21:41:47 67.56,-147.62 90.56 43.11 71
4 01/02/2013 12:18:35 68.18, -6.30 90.95 01/02/2013 12:19:14 68.16, -6.33 90.94 1.94 39
5 01/02/2013 13:09:16 -68.05, 161.18 89.18 01/02/2013 13:08:44 -68.06, 161.18 89.17 0.77 32
6 01/05/2013 03:44:58 -68.98, -58.89 88.49 01/05/2013 03:46:07 -68.87, -57.24 88.64 67.36 69
7 01/05/2013 04:35:29 68.15, 109.51 90.65 01/05/2013 04:35:45 68.14, 109.52 90.64 0.74 16
8 01/05/2013 05:26:10 -68.02, -83.01 89.48 01/05/2013 05:25:15 -68.04, -82.97 89.46 2.69 55
9 01/07/2013 20:01:38 -68.25, 57.85 89.57 01/07/2013 20:02:48 -68.23, 57.85 89.60 2.84 70
10 01/07/2013 20:52:22 68.12,-134.67 90.29 01/07/2013 20:52:15 68.11,-134.65 90.28 1.36 7
11 01/07/2013 21:43:00 -67.83, 33.01 90.01 01/07/2013 21:41:47 -67.90, 32.74 89.93 13.70 73
12 01/10/2013 12:18:32 -68.21, 173.68 89.99 01/10/2013 12:19:18 -68.23, 173.74 89.97 3.56 46
13 01/10/2013 13:09:16 68.08, -18.85 89.88 01/10/2013 13:08:46 68.06, -18.83 89.86 2.49 30
14 01/10/2013 13:59:39 -66.98, 149.80 91.26 01/10/2013 13:58:32 -67.07, 147.69 91.12 92.11 67

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 12/29/2012
SNOs_Map_NPP_TERRA_20121230.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 12/29/2012 in txt file.

Historical Predictions of SNOs between NPP and TERRA

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service