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: 6/10/2017
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 06/11/2017 19:12:52 68.32,-109.55 45.07 06/11/2017 19:13:26 68.32,-109.59 45.08 1.81 34
2 06/11/2017 20:03:33 -68.20, 57.92 135.05 06/11/2017 20:02:56 -68.22, 57.92 135.03 2.78 37
3 06/14/2017 10:39:12 -68.94,-161.91 134.44 06/14/2017 10:40:22 -68.79,-160.78 134.60 48.27 70
4 06/14/2017 11:29:46 68.27, 6.29 44.88 06/14/2017 11:29:56 68.28, 6.24 44.89 2.60 10
5 06/14/2017 12:20:28 -68.20, 173.69 135.20 06/14/2017 12:19:26 -68.18, 173.76 135.21 2.93 62
6 06/17/2017 02:55:55 -68.36, -45.36 135.13 06/17/2017 02:56:58 -68.36, -45.43 135.13 2.95 63
7 06/17/2017 03:46:39 68.22, 122.12 44.73 06/17/2017 03:46:25 68.24, 122.07 44.75 3.25 14
8 06/17/2017 04:37:13 -67.72, -69.93 135.78 06/17/2017 04:36:02 -67.76, -70.86 135.73 39.56 71
9 06/19/2017 19:12:50 -68.36, 70.41 135.17 06/19/2017 19:13:27 -68.38, 70.47 135.16 3.57 37
10 06/19/2017 20:03:34 68.23,-122.12 44.69 06/19/2017 20:02:55 68.20,-122.10 44.67 3.16 39
11 06/22/2017 10:39:11 68.88, 18.18 45.36 06/22/2017 10:40:21 68.77, 19.19 45.23 42.66 70
12 06/22/2017 11:29:44 -68.31,-173.76 135.22 06/22/2017 11:29:58 -68.29,-173.76 135.25 3.03 14
13 06/22/2017 12:20:28 68.19, -6.29 44.65 06/22/2017 12:19:25 68.16, -6.27 44.63 3.02 63

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 6/10/2017
SNOs_Map_NPP_TERRA_20170611.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 06/10/2017 in txt file.

Historical Predictions of SNOs between NPP and TERRA

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service