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: 6/27/2017
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 06/30/2017 10:39:09 -68.91,-161.85 134.31 06/30/2017 10:40:20 -68.80,-160.76 134.45 45.23 71
2 06/30/2017 11:29:44 68.29, 6.28 45.06 06/30/2017 11:29:54 68.30, 6.27 45.06 0.56 10
3 06/30/2017 12:20:25 -68.17, 173.76 135.07 06/30/2017 12:19:24 -68.19, 173.78 135.04 3.14 61
4 07/03/2017 02:55:53 -68.39, -45.38 134.65 07/03/2017 02:56:55 -68.40, -45.38 134.65 1.05 62
5 07/03/2017 03:46:37 68.26, 122.10 45.22 07/03/2017 03:46:22 68.28, 122.13 45.24 2.69 15
6 07/03/2017 04:37:11 -67.75, -69.95 135.30 07/03/2017 04:35:59 -67.79, -70.82 135.24 36.70 72
7 07/05/2017 19:12:47 -68.35, 70.44 134.44 07/05/2017 19:13:25 -68.33, 70.42 134.47 2.82 38
8 07/05/2017 20:03:31 68.23,-122.09 45.43 07/05/2017 20:02:52 68.21,-122.08 45.42 2.16 39
9 07/08/2017 10:39:08 68.89, 18.19 46.40 07/08/2017 10:40:18 68.74, 19.18 46.23 42.84 70
10 07/08/2017 11:29:41 -68.32,-173.74 134.19 07/08/2017 11:29:54 -68.31,-173.72 134.20 0.90 13
11 07/08/2017 12:20:25 68.20, -6.27 45.70 07/08/2017 12:19:21 68.19, -6.22 45.69 2.38 64
12 07/11/2017 02:55:53 68.38, 134.64 46.21 07/11/2017 02:56:53 68.39, 134.63 46.22 1.80 60
13 07/11/2017 03:46:35 -68.29, -57.92 133.88 07/11/2017 03:46:23 -68.30, -57.86 133.87 2.95 12
14 07/11/2017 04:37:08 67.63, 110.21 45.45 07/11/2017 04:35:58 67.67, 109.06 45.52 48.93 70

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 6/27/2017
SNOs_Map_NPP_TERRA_20170628.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 06/27/2017 in txt file.

Historical Predictions of SNOs between NPP and TERRA

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service