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: 4/23/2012
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 04/24/2012 02:55:25 68.74, 134.01 55.68 04/24/2012 02:56:36 68.60, 134.77 55.53 34.53 71
2 04/24/2012 03:45:59 -68.25, -58.03 124.84 04/24/2012 03:46:10 -68.28, -57.99 124.82 3.23 11
3 04/24/2012 04:36:43 68.10, 109.46 55.01 04/24/2012 04:35:38 68.11, 109.45 55.01 0.57 65
4 04/26/2012 19:12:11 68.33,-109.68 54.39 04/26/2012 19:13:11 68.35,-109.66 54.41 2.42 60
5 04/26/2012 20:02:52 -68.21, 57.80 125.75 04/26/2012 20:02:42 -68.19, 57.78 125.77 2.03 10
6 04/26/2012 20:53:27 67.58,-134.12 53.61 04/26/2012 20:52:17 67.63,-135.23 53.67 47.21 70
7 04/29/2012 11:29:04 68.30, 6.14 53.52 04/29/2012 11:29:42 68.30, 6.15 53.52 0.68 38
8 04/29/2012 12:19:45 -68.18, 173.61 126.62 04/29/2012 12:19:13 -68.15, 173.60 126.65 3.34 32
9 05/02/2012 02:55:26 -69.10, -46.46 126.47 05/02/2012 02:56:34 -69.02, -44.73 126.57 69.55 68
10 05/02/2012 03:45:57 68.27, 121.95 52.68 05/02/2012 03:46:12 68.29, 122.01 52.69 3.21 15
11 05/02/2012 04:36:38 -68.14, -70.57 127.46 05/02/2012 04:35:43 -68.13, -70.54 127.47 1.88 55
12 05/04/2012 19:12:04 -68.32, 70.35 128.04 05/04/2012 19:13:15 -68.32, 70.28 128.05 2.62 71
13 05/04/2012 20:02:48 68.19,-122.18 51.82 05/04/2012 20:02:42 68.19,-122.22 51.82 1.93 6
14 05/04/2012 20:53:27 -67.95, 45.44 128.43 05/04/2012 20:52:14 -67.99, 45.17 128.40 11.80 73

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 4/23/2012
SNOs_Map_NPP_TERRA_20120423.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 04/23/2012 in txt file.

Historical Predictions of SNOs between NPP and TERRA

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service