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: 4/10/2019
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 02:55:48 68.74, 134.14 60.10 04/12/2019 02:56:59 68.64, 134.88 59.98 32.22 71
2 04/12/2019 03:46:23 -68.28, -57.94 120.38 04/12/2019 03:46:33 -68.30, -57.89 120.36 3.05 10
3 04/12/2019 04:37:07 68.16, 109.52 59.48 04/12/2019 04:36:01 68.14, 109.56 59.46 2.74 66
4 04/14/2019 19:12:34 68.36,-109.58 58.74 04/14/2019 19:13:33 68.35,-109.59 58.72 1.79 59
5 04/14/2019 20:03:15 -68.22, 57.91 121.42 04/14/2019 20:03:03 -68.24, 57.91 121.40 2.04 12
6 04/14/2019 20:53:49 67.56,-133.96 57.91 04/14/2019 20:52:39 67.62,-135.16 57.98 51.39 70
7 04/17/2019 11:29:26 68.31, 6.26 57.74 04/17/2019 11:30:02 68.34, 6.27 57.76 2.94 36
8 04/17/2019 12:20:07 -68.17, 173.77 122.43 04/17/2019 12:19:33 -68.18, 173.72 122.42 2.45 34
9 04/20/2019 02:55:45 -69.01, -46.20 122.47 04/20/2019 02:56:54 -68.94, -44.75 122.56 58.46 69
10 04/20/2019 03:46:17 68.26, 122.11 56.75 04/20/2019 03:46:31 68.27, 122.07 56.76 1.81 14
11 04/20/2019 04:36:59 -68.17, -70.45 123.36 04/20/2019 04:36:01 -68.17, -70.42 123.36 1.41 58
12 04/22/2019 19:12:26 -68.37, 70.44 124.04 04/22/2019 19:13:33 -68.37, 70.43 124.04 0.41 67
13 04/22/2019 20:03:10 68.27,-122.12 55.85 04/22/2019 20:03:00 68.25,-122.07 55.83 2.63 10
14 04/22/2019 20:53:46 -67.85, 45.73 124.59 04/22/2019 20:52:34 -67.93, 45.18 124.51 24.70 72

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 4/10/2019
SNOs_Map_NPP_TERRA_20190410.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 04/10/2019 in txt file.

Historical Predictions of SNOs between NPP and TERRA

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service