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: 1/3/2013
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 01/05/2013 03:44:58 -69.04, -58.98 88.43 01/05/2013 03:46:06 -68.91, -57.19 88.60 72.80 68
2 01/05/2013 04:35:28 68.15, 109.51 90.66 01/05/2013 04:35:45 68.13, 109.50 90.64 2.15 17
3 01/05/2013 05:26:09 -68.03, -83.02 89.47 01/05/2013 05:25:15 -68.03, -82.99 89.48 1.55 54
4 01/07/2013 20:01:37 -68.24, 57.87 89.58 01/07/2013 20:02:48 -68.27, 57.89 89.56 2.92 71
5 01/07/2013 20:52:21 68.10,-134.65 90.28 01/07/2013 20:52:16 68.10,-134.66 90.28 0.79 5
6 01/07/2013 21:43:00 -67.87, 32.96 89.96 01/07/2013 21:41:48 -67.88, 32.72 89.95 10.05 72
7 01/10/2013 12:18:29 -68.20, 173.71 90.00 01/10/2013 12:19:18 -68.22, 173.71 89.98 2.89 49
8 01/10/2013 13:09:13 68.06, -18.81 89.86 01/10/2013 13:08:46 68.05, -18.84 89.85 1.72 27
9 01/10/2013 13:59:38 -67.07, 149.70 91.16 01/10/2013 13:58:30 -67.17, 147.79 91.02 83.28 68
10 01/13/2013 03:44:58 69.19, 120.84 90.61 01/13/2013 03:46:04 69.09, 123.04 90.46 88.01 66
11 01/13/2013 04:35:22 -68.15, -70.46 90.47 01/13/2013 04:35:49 -68.16, -70.48 90.47 1.32 27
12 01/13/2013 05:26:06 68.02, 97.02 89.39 01/13/2013 05:25:16 68.04, 97.02 89.41 2.45 50
13 01/15/2013 20:01:36 68.35,-122.26 89.27 01/15/2013 20:02:48 68.29,-122.08 89.19 9.91 72
14 01/15/2013 20:52:15 -68.11, 45.37 90.99 01/15/2013 20:52:19 -68.14, 45.37 90.97 2.90 4
15 01/15/2013 21:42:59 67.98,-147.16 88.87 01/15/2013 21:41:47 67.96,-147.19 88.86 2.75 72

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 1/3/2013
SNOs_Map_NPP_TERRA_20130104.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 01/03/2013 in txt file.

Historical Predictions of SNOs between NPP and TERRA

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service