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: 1/26/2013
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 01/29/2013 03:45:02 68.48, 121.74 86.36 01/29/2013 03:46:14 68.39, 122.17 86.24 20.62 72
2 01/29/2013 04:35:39 -68.14, -70.50 94.02 01/29/2013 04:35:47 -68.11, -70.53 94.05 3.19 8
3 01/29/2013 05:26:23 68.00, 96.98 85.84 01/29/2013 05:25:14 68.00, 96.98 85.84 0.07 69
4 01/31/2013 20:01:56 68.21,-122.15 85.34 01/31/2013 20:02:45 68.22,-122.15 85.33 0.69 49
5 01/31/2013 20:52:37 -68.08, 45.34 94.82 01/31/2013 20:52:16 -68.06, 45.29 94.84 3.06 21
6 01/31/2013 21:43:05 67.07,-146.15 84.14 01/31/2013 21:41:58 67.10,-148.15 84.24 86.71 67
7 02/03/2013 11:28:26 -69.13,-174.93 94.47 02/03/2013 11:29:33 -69.04,-172.90 94.64 81.35 67
8 02/03/2013 12:18:54 68.15, -6.31 84.50 02/03/2013 12:19:14 68.15, -6.35 84.49 1.66 20
9 02/03/2013 13:09:36 -68.06, 161.11 95.61 02/03/2013 13:08:44 -68.04, 161.16 95.62 2.87 52
10 02/06/2013 03:45:09 -68.26, -58.01 96.19 02/06/2013 03:46:15 -68.24, -58.01 96.22 2.26 66
11 02/06/2013 04:35:53 68.13, 109.46 83.67 02/06/2013 04:35:42 68.12, 109.50 83.66 2.31 11
12 02/06/2013 05:26:29 -67.72, -82.71 96.77 02/06/2013 05:25:16 -67.79, -83.25 96.67 24.12 73
13 02/08/2013 20:02:06 -68.18, 57.85 97.11 02/08/2013 20:02:42 -68.20, 57.84 97.10 2.25 36
14 02/08/2013 20:52:50 68.06,-134.69 82.75 02/08/2013 20:52:09 68.08,-134.66 82.78 2.37 41

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 1/26/2013
SNOs_Map_NPP_TERRA_20130127.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 01/26/2013 in txt file.

Historical Predictions of SNOs between NPP and TERRA

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service