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: 5/8/2017
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 05/10/2017 19:12:52 68.34,-109.59 50.40 05/10/2017 19:13:24 68.34,-109.57 50.41 1.38 32
2 05/10/2017 20:03:33 -68.20, 57.90 129.75 05/10/2017 20:02:55 -68.18, 57.87 129.77 2.62 38
3 05/13/2017 10:39:11 -68.86,-161.83 129.73 05/13/2017 10:40:21 -68.77,-160.82 129.84 42.13 70
4 05/13/2017 11:29:46 68.26, 6.28 49.65 05/13/2017 11:29:55 68.27, 6.21 49.65 2.75 9
5 05/13/2017 12:20:28 -68.17, 173.70 130.45 05/13/2017 12:19:25 -68.16, 173.72 130.46 1.82 63
6 05/16/2017 02:55:57 -68.36, -45.39 130.88 05/16/2017 02:56:58 -68.36, -45.44 130.88 2.06 61
7 05/16/2017 03:46:41 68.23, 122.08 48.99 05/16/2017 03:46:25 68.25, 122.07 49.00 1.70 16
8 05/16/2017 04:37:14 -67.67, -69.89 131.59 05/16/2017 04:36:03 -67.70, -70.94 131.56 44.27 71
9 05/18/2017 19:12:52 -68.34, 70.41 131.50 05/18/2017 19:13:28 -68.35, 70.43 131.48 2.20 36
10 05/18/2017 20:03:36 68.21,-122.12 48.37 05/18/2017 20:02:56 68.18,-122.13 48.34 3.24 40
11 05/21/2017 10:39:12 68.83, 18.21 48.45 05/21/2017 10:40:22 68.73, 19.13 48.35 38.72 70
12 05/21/2017 11:29:46 -68.31,-173.79 132.08 05/21/2017 11:29:58 -68.30,-173.76 132.10 2.09 12
13 05/21/2017 12:20:30 68.19, -6.32 47.79 05/21/2017 12:19:25 68.18, -6.26 47.78 2.93 65

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 5/8/2017
SNOs_Map_NPP_TERRA_20170509.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 05/08/2017 in txt file.

Historical Predictions of SNOs between NPP and TERRA

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service