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: 7/16/2013
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 07/18/2013 19:12:33 68.34,-109.62 47.38 07/18/2013 19:13:13 68.32,-109.62 47.36 2.10 40
2 07/18/2013 20:03:14 -68.19, 57.89 132.77 07/18/2013 20:02:43 -68.22, 57.89 132.74 3.36 31
3 07/21/2013 10:38:52 -69.06,-162.10 131.39 07/21/2013 10:40:01 -68.98,-160.56 131.51 61.79 69
4 07/21/2013 11:29:24 68.31, 6.21 47.85 07/21/2013 11:29:38 68.30, 6.24 47.84 1.74 14
5 07/21/2013 12:20:05 -68.16, 173.72 132.30 07/21/2013 12:19:09 -68.15, 173.69 132.31 1.66 56
6 07/24/2013 02:55:31 -68.36, -45.38 131.56 07/24/2013 02:56:37 -68.39, -45.40 131.54 3.03 66
7 07/24/2013 03:46:15 68.26, 122.07 48.34 07/24/2013 03:46:04 68.26, 122.09 48.34 1.08 11
8 07/24/2013 04:36:51 -67.84, -70.08 132.09 07/24/2013 04:35:39 -67.89, -70.72 132.02 27.08 72
9 07/26/2013 19:12:22 -68.35, 70.44 131.00 07/26/2013 19:13:03 -68.34, 70.43 131.01 1.46 41
10 07/26/2013 20:03:05 68.19,-122.05 48.86 07/26/2013 20:02:30 68.20,-122.08 48.87 1.79 35
11 07/29/2013 10:38:40 68.95, 18.11 50.25 07/29/2013 10:39:50 68.86, 19.34 50.11 50.29 70
12 07/29/2013 11:29:12 -68.32,-173.73 130.41 07/29/2013 11:29:28 -68.32,-173.70 130.41 1.30 16
13 07/29/2013 12:19:55 68.16, -6.22 49.44 07/29/2013 12:18:55 68.19, -6.21 49.47 2.82 60

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 7/16/2013
SNOs_Map_NPP_TERRA_20130716.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 07/16/2013 in txt file.

Historical Predictions of SNOs between NPP and TERRA

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service