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: 4/26/2012
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 04/26/2012 19:12:11 68.34,-109.69 54.40 04/26/2012 19:13:11 68.34,-109.68 54.39 0.66 60
2 04/26/2012 20:02:52 -68.22, 57.78 125.73 04/26/2012 20:02:41 -68.23, 57.83 125.73 2.23 11
3 04/26/2012 20:53:27 67.59,-134.13 53.62 04/26/2012 20:52:16 67.67,-135.18 53.71 45.08 71
4 04/29/2012 11:29:03 68.28, 6.16 53.50 04/29/2012 11:29:42 68.27, 6.12 53.49 1.94 39
5 04/29/2012 12:19:44 -68.16, 173.64 126.64 04/29/2012 12:19:12 -68.17, 173.63 126.63 1.28 32
6 05/02/2012 02:55:25 -69.12, -46.49 126.45 05/02/2012 02:56:33 -69.02, -44.72 126.56 71.00 68
7 05/02/2012 03:45:55 68.24, 122.00 52.64 05/02/2012 03:46:12 68.24, 121.95 52.64 1.73 17
8 05/02/2012 04:36:36 -68.11, -70.53 127.49 05/02/2012 04:35:42 -68.14, -70.53 127.47 2.82 54
9 05/04/2012 19:12:02 -68.34, 70.33 128.02 05/04/2012 19:13:13 -68.35, 70.33 128.02 1.20 71
10 05/04/2012 20:02:46 68.21,-122.19 51.84 05/04/2012 20:02:40 68.23,-122.17 51.86 2.51 6
11 05/04/2012 20:53:25 -67.98, 45.42 128.41 05/04/2012 20:52:12 -68.02, 45.21 128.36 10.12 73
12 05/07/2012 11:28:54 -68.33,-173.87 128.78 05/07/2012 11:29:42 -68.32,-173.83 128.79 2.02 48
13 05/07/2012 12:19:37 68.14, -6.33 51.03 05/07/2012 12:19:10 68.14, -6.40 51.02 2.79 27
14 05/07/2012 13:10:02 -67.15, 162.19 129.98 05/07/2012 13:08:55 -67.21, 160.17 129.92 87.13 67

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 4/26/2012
SNOs_Map_NPP_TERRA_20120426.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 04/26/2012 in txt file.

Historical Predictions of SNOs between NPP and TERRA

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service