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: 6/11/2017
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 06/14/2017 10:39:11 -68.93,-161.89 134.45 06/14/2017 10:40:21 -68.81,-160.76 134.59 47.25 70
2 06/14/2017 11:29:46 68.30, 6.24 44.92 06/14/2017 11:29:55 68.30, 6.26 44.91 1.06 9
3 06/14/2017 12:20:27 -68.18, 173.71 135.21 06/14/2017 12:19:25 -68.20, 173.78 135.19 3.27 62
4 06/17/2017 02:55:56 -68.40, -45.41 135.09 06/17/2017 02:56:58 -68.39, -45.40 135.10 1.10 62
5 06/17/2017 03:46:40 68.26, 122.07 44.77 06/17/2017 03:46:25 68.26, 122.10 44.78 1.18 15
6 06/17/2017 04:37:13 -67.70, -69.91 135.80 06/17/2017 04:36:02 -67.78, -70.84 135.71 39.94 71
7 06/19/2017 19:12:50 -68.35, 70.42 135.19 06/19/2017 19:13:28 -68.35, 70.43 135.18 0.86 38
8 06/19/2017 20:03:34 68.21,-122.10 44.68 06/19/2017 20:02:55 68.23,-122.07 44.70 2.15 39
9 06/22/2017 10:39:11 68.86, 18.20 45.35 06/22/2017 10:40:22 68.75, 19.17 45.21 41.02 71
10 06/22/2017 11:29:44 -68.30,-173.74 135.23 06/22/2017 11:29:58 -68.32,-173.72 135.21 2.46 14
11 06/22/2017 12:20:28 68.17, -6.27 44.64 06/22/2017 12:19:25 68.20, -6.23 44.66 3.21 63
12 06/25/2017 02:55:56 68.39, 134.59 44.92 06/25/2017 02:56:57 68.38, 134.59 44.90 1.32 61
13 06/25/2017 03:46:37 -68.26, -57.91 135.23 06/25/2017 03:46:28 -68.24, -57.95 135.25 2.86 9
14 06/25/2017 04:37:12 67.65, 110.16 44.15 06/25/2017 04:36:02 67.72, 109.09 44.25 45.89 70

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 6/11/2017
SNOs_Map_NPP_TERRA_20170612.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 06/11/2017 in txt file.

Historical Predictions of SNOs between NPP and TERRA

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service