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: 5/14/2013
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 05/15/2013 19:12:43 68.25,-109.72 49.10 05/15/2013 19:13:17 68.23,-109.74 49.08 1.84 34
2 05/15/2013 20:03:24 -68.13, 57.75 131.03 05/15/2013 20:02:47 -68.13, 57.77 131.04 1.40 37
3 05/18/2013 10:39:00 -68.67,-161.81 131.07 05/18/2013 10:40:11 -68.54,-161.11 131.21 31.64 71
4 05/18/2013 11:29:38 68.21, 6.11 48.45 05/18/2013 11:29:42 68.20, 6.12 48.44 0.72 4
5 05/18/2013 12:20:19 -68.09, 173.58 131.68 05/18/2013 12:19:12 -68.10, 173.63 131.67 2.44 67
6 05/21/2013 02:55:48 -68.26, -45.49 132.06 05/21/2013 02:56:40 -68.27, -45.54 132.04 2.96 52
7 05/21/2013 03:46:33 68.17, 121.93 47.85 05/21/2013 03:46:07 68.15, 121.96 47.83 2.28 26
8 05/21/2013 04:36:59 -67.24, -69.61 133.10 05/21/2013 04:35:51 -67.27, -71.41 133.06 77.66 68
9 05/23/2013 18:22:15 69.04, -98.08 48.23 05/23/2013 18:23:24 68.92, -96.47 48.09 65.46 69
10 05/23/2013 19:12:43 -68.22, 70.34 132.62 05/23/2013 19:13:05 -68.21, 70.28 132.63 2.62 22
11 05/23/2013 20:03:27 68.08,-122.18 47.24 05/23/2013 20:02:32 68.08,-122.22 47.24 1.71 55
12 05/26/2013 10:38:56 68.32, 18.67 47.02 05/26/2013 10:39:57 68.33, 18.70 47.02 1.56 61
13 05/26/2013 11:29:37 -68.19,-173.85 133.13 05/26/2013 11:29:28 -68.17,-173.85 133.14 1.51 9
14 05/26/2013 12:20:13 67.62, -5.84 46.30 05/26/2013 12:19:02 67.65, -6.81 46.33 41.47 71

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 5/14/2013
SNOs_Map_NPP_TERRA_20130514.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 05/14/2013 in txt file.

Historical Predictions of SNOs between NPP and TERRA

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service