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: 11/16/2011
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 11/18/2011 20:50:45 68.48,-134.05 87.68 11/18/2011 20:51:25 68.50,-134.10 87.69 2.79 40
2 11/18/2011 21:41:24 -68.38, 33.41 92.43 11/18/2011 21:40:55 -68.38, 33.39 92.43 1.19 29
3 11/21/2011 14:45:56 68.51, -42.88 88.32 11/21/2011 14:46:42 68.50, -42.92 88.32 1.82 46
4 11/21/2011 15:36:35 -68.40, 124.59 91.78 11/21/2011 15:36:12 -68.38, 124.57 91.80 1.90 23
5 11/21/2011 16:27:01 67.43, -66.89 87.28 11/21/2011 16:25:53 67.49, -68.82 87.31 82.46 68
6 11/24/2011 08:41:02 68.53, 48.31 88.93 11/24/2011 08:41:56 68.56, 48.34 88.96 3.33 54
7 11/24/2011 09:31:41 -68.42,-144.22 91.18 11/24/2011 09:31:26 -68.44,-144.17 91.16 3.36 15
8 11/24/2011 10:22:12 67.74, 23.96 88.16 11/24/2011 10:21:02 67.83, 22.75 88.23 51.96 70
9 11/27/2011 02:36:05 68.56, 139.50 89.49 11/27/2011 02:37:11 68.57, 139.54 89.50 1.76 66
10 11/27/2011 03:26:44 -68.45, -53.02 90.62 11/27/2011 03:26:41 -68.46, -52.96 90.61 2.60 3
11 11/27/2011 04:17:23 68.20, 114.62 89.15 11/27/2011 04:16:10 68.23, 114.41 89.17 8.84 73
12 11/29/2011 20:31:10 68.92,-129.72 90.33 11/29/2011 20:32:21 68.81,-128.96 90.23 32.69 71
13 11/29/2011 21:21:43 -68.48, 38.19 90.10 11/29/2011 21:21:55 -68.48, 38.26 90.11 2.91 12
14 11/29/2011 22:12:23 68.30,-154.25 89.73 11/29/2011 22:11:23 68.30,-154.31 89.72 2.44 60

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 11/16/2011
SNOs_Map_NPP_TERRA_20111116.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 11/16/2011 in txt file.

Historical Predictions of SNOs between NPP and TERRA

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service