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: 10/16/2012
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 10/17/2012 03:44:38 -68.28, -57.94 102.45 10/17/2012 03:45:49 -68.28, -57.93 102.46 0.78 71
2 10/17/2012 04:35:22 68.16, 109.52 77.44 10/17/2012 04:35:16 68.16, 109.58 77.45 2.49 6
3 10/17/2012 05:26:01 -67.91, -82.84 102.80 10/17/2012 05:24:48 -67.95, -83.03 102.76 9.34 73
4 10/19/2012 20:01:34 -68.21, 57.91 101.55 10/19/2012 20:02:25 -68.22, 57.86 101.55 2.13 51
5 10/19/2012 20:52:18 68.09,-134.63 78.35 10/19/2012 20:51:52 68.10,-134.63 78.35 0.85 26
6 10/19/2012 21:42:44 -67.14, 33.85 102.58 10/19/2012 21:41:36 -67.22, 32.01 102.53 79.93 68
7 10/22/2012 12:18:30 -68.20, 173.69 100.61 10/22/2012 12:19:01 -68.23, 173.72 100.58 3.27 31
8 10/22/2012 13:09:13 68.03, -18.79 79.24 10/22/2012 13:08:29 68.05, -18.83 79.26 3.22 44
9 10/25/2012 03:44:54 68.77, 121.38 80.88 10/25/2012 03:46:04 68.67, 122.47 80.80 45.56 70
10 10/25/2012 04:35:27 -68.19, -70.54 99.69 10/25/2012 04:35:41 -68.19, -70.48 99.69 2.43 14
11 10/25/2012 05:26:10 68.02, 96.98 80.17 10/25/2012 05:25:09 68.02, 96.96 80.16 0.72 61
12 10/27/2012 20:01:42 68.29,-122.22 81.31 10/27/2012 20:02:53 68.26,-122.20 81.28 3.57 71
13 10/27/2012 20:52:23 -68.13, 45.30 98.84 10/27/2012 20:52:24 -68.12, 45.26 98.86 2.25 1
14 10/27/2012 21:43:05 67.91,-147.12 80.96 10/27/2012 21:41:52 67.94,-147.29 80.99 8.10 73

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 10/16/2012
SNOs_Map_NPP_TERRA_20121016.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 10/16/2012 in txt file.

Historical Predictions of SNOs between NPP and TERRA

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service