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: 11/22/2011
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 11/24/2011 01:15:41 -69.33, -21.38 90.34 11/24/2011 01:16:49 -69.24, -19.57 90.42 72.24 68
2 11/24/2011 02:06:11 68.46, 147.11 88.80 11/24/2011 02:06:28 68.47, 147.11 88.81 0.60 17
3 11/24/2011 02:56:51 -68.33, -45.40 91.33 11/24/2011 02:55:57 -68.35, -45.41 91.31 2.25 54
4 11/26/2011 17:32:18 -68.56, 95.45 90.59 11/26/2011 17:33:24 -68.53, 95.44 90.62 3.06 66
5 11/26/2011 18:23:02 68.43, -97.08 89.30 11/26/2011 18:22:51 68.42, -97.05 89.28 2.11 11
6 11/26/2011 19:13:38 -68.03, 70.75 91.10 11/26/2011 19:12:25 -68.08, 70.18 91.06 24.20 73
7 11/29/2011 09:49:09 -68.48,-148.68 90.19 11/29/2011 09:49:47 -68.50,-148.68 90.16 2.96 38
8 11/29/2011 10:39:53 68.35, 18.79 89.70 11/29/2011 10:39:15 68.33, 18.76 89.68 2.41 38
9 12/02/2011 01:15:25 68.86, 159.27 90.62 12/02/2011 01:16:36 68.78, 159.94 90.54 28.54 71
10 12/02/2011 02:06:01 -68.46, -32.88 89.78 12/02/2011 02:06:10 -68.44, -32.84 89.79 2.27 9
11 12/02/2011 02:56:44 68.28, 134.66 90.05 12/02/2011 02:55:38 68.27, 134.60 90.04 2.69 66
12 12/04/2011 17:32:11 68.52, -84.51 90.67 12/04/2011 17:33:02 68.51, -84.47 90.66 1.98 51
13 12/04/2011 18:22:52 -68.39, 82.98 89.47 12/04/2011 18:22:32 -68.40, 83.03 89.45 2.57 20
14 12/04/2011 19:13:20 67.45,-108.55 89.61 12/04/2011 19:12:12 67.50,-110.38 89.64 78.16 68

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 11/22/2011
SNOs_Map_NPP_TERRA_20111122.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 11/22/2011 in txt file.

Historical Predictions of SNOs between NPP and TERRA

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service