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: 6/30/2013
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 07/02/2013 19:12:40 68.31,-109.66 45.25 07/02/2013 19:13:28 68.30,-109.71 45.23 2.85 48
2 07/02/2013 20:03:21 -68.17, 57.84 134.90 07/02/2013 20:02:58 -68.19, 57.80 134.87 3.33 23
3 07/02/2013 20:53:48 67.13,-133.58 44.05 07/02/2013 20:52:41 67.18,-135.71 44.14 92.20 67
4 07/05/2013 10:39:06 -69.32,-162.55 133.48 07/05/2013 10:40:13 -69.21,-160.34 133.65 88.06 67
5 07/05/2013 11:29:33 68.30, 6.14 45.47 07/05/2013 11:29:54 68.31, 6.19 45.48 2.13 21
6 07/05/2013 12:20:14 -68.15, 173.65 134.68 07/05/2013 12:19:25 -68.15, 173.63 134.68 0.52 49
7 07/08/2013 02:55:43 -68.40, -45.52 134.15 07/08/2013 02:56:55 -68.37, -45.49 134.18 3.06 72
8 07/08/2013 03:46:26 68.24, 122.00 45.69 07/08/2013 03:46:22 68.25, 122.00 45.70 1.30 4
9 07/08/2013 04:37:06 -68.03, -70.42 134.52 07/08/2013 04:35:54 -68.04, -70.61 134.50 8.08 72
10 07/10/2013 19:12:36 -68.34, 70.35 133.88 07/10/2013 19:13:22 -68.36, 70.37 133.87 2.85 46
11 07/10/2013 20:03:19 68.18,-122.14 45.96 07/10/2013 20:02:50 68.17,-122.20 45.96 2.64 29
12 07/10/2013 20:53:43 -67.10, 46.49 135.14 07/10/2013 20:52:36 -67.19, 44.31 135.00 94.44 67
13 07/13/2013 10:39:00 69.07, 17.82 47.26 07/13/2013 10:40:09 68.98, 19.40 47.11 63.55 69
14 07/13/2013 11:29:29 -68.27,-173.79 133.57 07/13/2013 11:29:50 -68.27,-173.84 133.58 2.20 21
15 07/13/2013 12:20:13 68.17, -6.35 46.33 07/13/2013 12:19:17 68.14, -6.35 46.30 3.22 56

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 6/30/2013
SNOs_Map_NPP_TERRA_20130630.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 06/30/2013 in txt file.

Historical Predictions of SNOs between NPP and TERRA

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service