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: 7/20/2013
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 -68.80,-160.81 131.69 48.57 70
2 07/21/2013 11:29:35 68.27, 6.21 47.81 07/21/2013 11:29:46 68.25, 6.16 47.79 3.20 11
3 07/21/2013 12:20:16 -68.13, 173.71 132.34 07/21/2013 12:19:16 -68.15, 173.67 132.31 2.83 60
4 07/24/2013 02:55:50 -68.38, -45.47 131.55 07/24/2013 02:56:55 -68.35, -45.51 131.58 3.18 65
5 07/24/2013 03:46:34 68.26, 121.99 48.34 07/24/2013 03:46:22 68.25, 122.00 48.33 1.04 12
6 07/24/2013 04:37:09 -67.79, -70.10 132.14 07/24/2013 04:35:57 -67.87, -70.81 132.04 31.11 72
7 07/26/2013 19:12:49 -68.36, 70.31 130.98 07/26/2013 19:13:35 -68.37, 70.34 130.98 2.03 46
8 07/26/2013 20:03:33 68.24,-122.23 48.90 07/26/2013 20:03:03 68.21,-122.21 48.88 3.20 30
9 07/26/2013 20:53:57 -67.18, 46.39 132.18 07/26/2013 20:52:49 -67.23, 44.30 132.07 90.43 68
10 07/29/2013 11:29:47 -68.35,-173.91 130.38 07/29/2013 11:30:19 -68.36,-173.86 130.37 3.05 32
11 07/29/2013 12:20:31 68.23, -6.45 49.51 07/29/2013 12:19:47 68.20, -6.41 49.49 3.12 44
12 08/01/2013 02:56:19 69.23, 133.34 51.19 08/01/2013 02:57:26 69.13, 135.26 51.04 76.97 67
13 08/01/2013 03:46:46 -68.33, -58.13 129.74 08/01/2013 03:47:09 -68.32, -58.11 129.75 1.14 23
14 08/01/2013 04:37:29 68.16, 109.40 50.10 08/01/2013 04:36:37 68.16, 109.34 50.11 2.39 52

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 7/20/2013
SNOs_Map_NPP_TERRA_20130720.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 07/20/2013 in txt file.

Historical Predictions of SNOs between NPP and TERRA

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service