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: 4/11/2019
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 04/12/2019 02:55:49 68.76, 134.11 60.12 04/12/2019 02:57:00 68.62, 134.86 59.96 33.87 71
2 04/12/2019 03:46:24 -68.30, -57.97 120.36 04/12/2019 03:46:34 -68.28, -57.92 120.38 2.84 10
3 04/12/2019 04:37:07 68.12, 109.57 59.45 04/12/2019 04:36:02 68.12, 109.53 59.44 1.60 65
4 04/14/2019 19:12:34 68.38,-109.61 58.76 04/14/2019 19:13:32 68.39,-109.54 58.77 3.00 58
5 04/14/2019 20:03:15 -68.24, 57.89 121.40 04/14/2019 20:03:03 -68.23, 57.90 121.41 1.29 12
6 04/14/2019 20:53:49 67.58,-133.98 57.92 04/14/2019 20:52:39 67.61,-135.17 57.97 50.78 70
7 04/17/2019 11:29:26 68.33, 6.24 57.75 04/17/2019 11:30:02 68.34, 6.27 57.76 1.63 36
8 04/17/2019 12:20:07 -68.18, 173.75 122.41 04/17/2019 12:19:33 -68.18, 173.71 122.42 1.46 34
9 04/20/2019 02:55:46 -69.03, -46.22 122.46 04/20/2019 02:56:55 -68.96, -44.73 122.55 59.96 69
10 04/20/2019 03:46:18 68.28, 122.09 56.77 04/20/2019 03:46:32 68.29, 122.09 56.77 0.96 14
11 04/20/2019 04:36:59 -68.13, -70.40 123.40 04/20/2019 04:36:03 -68.13, -70.47 123.40 2.62 56
12 04/22/2019 19:12:27 -68.39, 70.42 124.02 04/22/2019 19:13:34 -68.41, 70.47 124.00 3.16 67
13 04/22/2019 20:03:10 68.23,-122.07 55.81 04/22/2019 20:03:02 68.24,-122.09 55.81 1.35 8
14 04/22/2019 20:53:48 -67.92, 45.64 124.52 04/22/2019 20:52:35 -67.97, 45.22 124.47 18.58 73

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 4/11/2019
SNOs_Map_NPP_TERRA_20190411.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 04/11/2019 in txt file.

Historical Predictions of SNOs between NPP and TERRA

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service