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: 11/30/2011
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 12/02/2011 02:06:00 -68.51, -32.94 89.73 12/02/2011 02:06:52 -68.51, -32.94 89.72 0.60 52
2 12/02/2011 02:56:44 68.37, 134.54 90.15 12/02/2011 02:56:20 68.36, 134.52 90.13 2.13 24
3 12/02/2011 03:47:11 -67.50, -57.05 90.72 12/02/2011 03:46:02 -67.58, -58.76 90.66 73.02 69
4 12/04/2011 18:22:51 -68.47, 82.88 89.38 12/04/2011 18:23:27 -68.46, 82.86 89.40 1.94 36
5 12/04/2011 19:13:35 68.34,-109.64 90.49 12/04/2011 19:12:54 68.35,-109.63 90.50 1.73 41
6 12/07/2011 09:49:12 69.16, 30.41 91.64 12/07/2011 09:50:21 69.09, 31.88 91.57 58.93 69
7 12/07/2011 10:39:42 -68.45,-161.32 89.08 12/07/2011 10:40:01 -68.43,-161.32 89.10 2.58 19
8 12/07/2011 11:30:26 68.32, 6.16 90.80 12/07/2011 11:29:28 68.32, 6.20 90.80 1.44 58
9 12/10/2011 02:05:52 68.57, 146.99 91.32 12/10/2011 02:07:04 68.53, 147.04 91.28 4.79 72
10 12/10/2011 02:56:32 -68.39, -45.46 88.86 12/10/2011 02:56:35 -68.37, -45.52 88.88 3.48 3
11 12/10/2011 03:47:15 68.20, 122.09 90.96 12/10/2011 03:46:03 68.20, 121.92 90.96 6.88 72
12 12/12/2011 18:22:41 68.52, -97.17 91.49 12/12/2011 18:23:36 68.49, -97.14 91.47 3.25 55
13 12/12/2011 19:13:22 -68.40, 70.31 88.63 12/12/2011 19:13:06 -68.39, 70.37 88.64 2.52 16
14 12/12/2011 20:03:54 67.62,-121.40 90.59 12/12/2011 20:02:44 67.66,-122.84 90.64 60.88 70

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 11/30/2011
SNOs_Map_NPP_TERRA_20111130.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 11/30/2011 in txt file.

Historical Predictions of SNOs between NPP and TERRA

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service