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: 7/21/2013
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 07/21/2013 10:39:01 -68.93,-161.97 131.52 07/21/2013 10:40:11 -68.82,-160.79 131.67 48.88 70
2 07/21/2013 11:29:35 68.27, 6.21 47.81 07/21/2013 11:29:46 68.28, 6.19 47.81 1.08 11
3 07/21/2013 12:20:17 -68.18, 173.65 132.28 07/21/2013 12:19:16 -68.17, 173.69 132.29 2.42 61
4 07/24/2013 02:55:50 -68.38, -45.47 131.55 07/24/2013 02:56:57 -68.35, -45.52 131.58 3.39 67
5 07/24/2013 03:46:34 68.26, 121.99 48.34 07/24/2013 03:46:24 68.25, 122.00 48.33 0.53 10
6 07/24/2013 04:37:10 -67.84, -70.17 132.09 07/24/2013 04:35:58 -67.93, -70.75 131.98 26.23 72
7 07/26/2013 19:12:49 -68.36, 70.31 130.98 07/26/2013 19:13:40 -68.36, 70.31 130.99 0.21 51
8 07/26/2013 20:03:33 68.24,-122.23 48.90 07/26/2013 20:03:07 68.26,-122.17 48.92 3.15 26
9 07/26/2013 20:54:00 -67.34, 46.20 132.02 07/26/2013 20:52:51 -67.38, 44.45 131.92 75.05 69
10 07/29/2013 11:29:47 -68.35,-173.91 130.38 07/29/2013 11:30:28 -68.34,-173.92 130.39 0.62 41
11 07/29/2013 12:20:31 68.23, -6.45 49.51 07/29/2013 12:19:55 68.24, -6.39 49.53 2.82 36
12 08/01/2013 03:46:46 -68.33, -58.13 129.74 08/01/2013 03:47:22 -68.35, -58.13 129.72 2.45 36
13 08/01/2013 04:37:30 68.21, 109.33 50.16 08/01/2013 04:36:50 68.20, 109.33 50.14 1.53 40
14 08/03/2013 20:03:45 -68.32, 57.65 129.06 08/03/2013 20:04:22 -68.34, 57.60 129.04 2.99 37
15 08/03/2013 20:54:29 68.20,-134.90 50.84 08/03/2013 20:53:50 68.19,-134.94 50.82 2.28 39

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 7/21/2013
SNOs_Map_NPP_TERRA_20130721.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 07/21/2013 in txt file.

Historical Predictions of SNOs between NPP and TERRA

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service