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: 7/24/2012
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 07/26/2012 11:28:18 -68.95,-174.61 130.38 07/26/2012 11:29:27 -68.82,-173.20 130.56 58.37 69
2 07/26/2012 12:18:50 68.18, -6.29 48.84 07/26/2012 12:19:03 68.21, -6.30 48.86 2.76 13
3 07/26/2012 13:09:31 -68.05, 161.20 131.30 07/26/2012 13:08:34 -68.04, 161.14 131.30 2.74 57
4 07/29/2012 03:45:02 -68.32, -58.00 130.42 07/29/2012 03:46:04 -68.31, -57.94 130.43 2.91 62
5 07/29/2012 04:35:45 68.14, 109.53 49.41 07/29/2012 04:35:32 68.14, 109.51 49.41 1.09 13
6 07/29/2012 05:26:19 -67.63, -82.51 131.12 07/29/2012 05:25:08 -67.70, -83.37 131.01 37.32 71
7 07/31/2012 20:01:55 -68.22, 57.89 129.87 07/31/2012 20:02:32 -68.24, 57.86 129.85 3.17 37
8 07/31/2012 20:52:39 68.09,-134.64 50.02 07/31/2012 20:52:00 68.07,-134.70 50.00 3.36 39
9 08/03/2012 11:28:15 68.62, 5.81 51.24 08/03/2012 11:29:26 68.54, 6.48 51.13 28.54 71
10 08/03/2012 12:18:51 -68.21, 173.66 129.18 08/03/2012 12:19:00 -68.22, 173.72 129.18 2.73 9
11 08/03/2012 13:09:34 68.03, -18.81 50.65 08/03/2012 13:08:28 68.04, -18.84 50.66 1.76 66
12 08/06/2012 03:45:05 68.29, 122.00 51.62 08/06/2012 03:45:58 68.29, 122.05 51.61 2.13 53
13 08/06/2012 04:35:46 -68.15, -70.50 128.52 08/06/2012 04:35:29 -68.14, -70.49 128.54 1.71 17
14 08/06/2012 05:26:17 67.32, 97.82 50.64 08/06/2012 05:25:08 67.34, 96.24 50.70 67.79 69

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 7/24/2012
SNOs_Map_NPP_TERRA_20120724.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 07/24/2012 in txt file.

Historical Predictions of SNOs between NPP and TERRA

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service