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: 9/4/2012
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 09/07/2012 03:44:55 68.29, 122.01 62.25 09/07/2012 03:46:05 68.31, 122.02 62.26 1.46 70
2 09/07/2012 04:35:36 -68.17, -70.51 117.87 09/07/2012 04:35:36 -68.15, -70.54 117.89 2.82 0
3 09/07/2012 05:26:17 67.87, 97.17 61.84 09/07/2012 05:25:05 67.92, 96.84 61.90 15.05 72
4 09/09/2012 20:01:49 68.27,-122.19 63.23 09/09/2012 20:02:34 68.27,-122.15 63.23 1.51 45
5 09/09/2012 20:52:30 -68.14, 45.29 116.89 09/09/2012 20:52:05 -68.11, 45.30 116.92 3.18 25
6 09/09/2012 21:42:55 66.98,-145.99 61.95 09/09/2012 21:41:49 67.04,-148.27 62.03 98.97 66
7 09/12/2012 11:28:14 -69.23,-175.01 114.80 09/12/2012 11:29:21 -69.10,-172.88 114.93 85.27 67
8 09/12/2012 12:18:41 68.19, -6.31 64.16 09/12/2012 12:19:02 68.21, -6.34 64.18 2.52 21
9 09/12/2012 13:09:22 -68.06, 161.17 115.96 09/12/2012 13:08:33 -68.05, 161.11 115.96 2.78 49
10 09/15/2012 03:44:51 -68.28, -57.97 114.73 09/15/2012 03:46:03 -68.30, -58.00 114.72 1.78 72
11 09/15/2012 04:35:35 68.16, 109.50 65.16 09/15/2012 04:35:30 68.17, 109.50 65.17 1.69 5
12 09/15/2012 05:26:15 -67.97, -82.95 115.02 09/15/2012 05:25:02 -67.96, -83.11 115.02 6.92 73
13 09/17/2012 20:01:45 -68.25, 57.84 113.73 09/17/2012 20:02:31 -68.24, 57.82 113.74 1.45 46
14 09/17/2012 20:52:29 68.12,-134.69 66.16 09/17/2012 20:51:58 68.11,-134.69 66.15 1.39 31
15 09/17/2012 21:42:52 -67.01, 33.97 114.94 09/17/2012 21:41:45 -67.07, 31.77 114.89 95.57 67

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 9/4/2012
SNOs_Map_NPP_TERRA_20120905.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 09/04/2012 in txt file.

Historical Predictions of SNOs between NPP and TERRA

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service