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: 4/4/2019
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 04/06/2019 19:12:38 -68.32, 70.45 118.35 04/06/2019 19:13:35 -68.33, 70.39 118.34 2.84 57
2 04/06/2019 20:03:23 68.25,-122.15 61.57 04/06/2019 20:03:02 68.23,-122.09 61.55 3.25 21
3 04/06/2019 20:53:52 -67.47, 46.14 119.24 04/06/2019 20:52:42 -67.55, 44.77 119.13 59.10 70
4 04/09/2019 11:29:31 -68.31,-173.75 119.37 04/09/2019 11:30:04 -68.33,-173.73 119.35 2.80 33
5 04/09/2019 12:20:15 68.18, -6.29 60.50 04/09/2019 12:19:32 68.16, -6.28 60.48 2.18 43
6 04/12/2019 02:55:49 68.76, 134.11 60.12 04/12/2019 02:56:59 68.65, 134.91 60.00 34.39 70
7 04/12/2019 03:46:24 -68.30, -57.96 120.37 04/12/2019 03:46:34 -68.27, -57.92 120.40 3.13 10
8 04/12/2019 04:37:07 68.12, 109.57 59.45 04/12/2019 04:36:02 68.10, 109.52 59.42 3.41 65
9 04/14/2019 19:12:34 68.38,-109.60 58.76 04/14/2019 19:13:32 68.36,-109.56 58.74 2.61 58
10 04/14/2019 20:03:15 -68.23, 57.90 121.41 04/14/2019 20:03:03 -68.21, 57.88 121.43 3.02 12
11 04/14/2019 20:53:49 67.58,-133.98 57.92 04/14/2019 20:52:38 67.64,-135.13 57.99 49.40 71
12 04/17/2019 11:29:26 68.32, 6.25 57.75 04/17/2019 11:30:01 68.35, 6.30 57.77 3.11 35
13 04/17/2019 12:20:07 -68.17, 173.76 122.42 04/17/2019 12:19:32 -68.19, 173.75 122.40 2.61 35

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 4/4/2019
SNOs_Map_NPP_TERRA_20190404.jpg

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

Historical Predictions of SNOs between NPP and TERRA

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service