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: 2/21/2018
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 02/22/2018 19:12:42 68.35,-109.58 78.30 02/22/2018 19:13:24 68.37,-109.51 78.31 3.44 42
2 02/22/2018 20:03:23 -68.22, 57.90 101.84 02/22/2018 20:02:55 -68.20, 57.92 101.87 2.93 28
3 02/25/2018 10:39:06 -69.28,-162.37 101.70 02/25/2018 10:40:13 -69.17,-160.28 101.89 83.68 67
4 02/25/2018 11:29:34 68.30, 6.27 77.26 02/25/2018 11:29:54 68.28, 6.26 77.24 2.03 20
5 02/25/2018 12:20:15 -68.17, 173.75 102.89 02/25/2018 12:19:24 -68.17, 173.77 102.88 0.89 51
6 02/28/2018 02:55:43 -68.43, -45.44 103.60 02/28/2018 02:56:55 -68.40, -45.35 103.64 4.93 72
7 02/28/2018 03:46:26 68.25, 122.11 76.20 02/28/2018 03:46:23 68.23, 122.09 76.19 1.86 3
8 02/28/2018 04:37:06 -68.07, -70.34 104.00 02/28/2018 04:35:54 -68.07, -70.46 103.99 5.10 72
9 03/02/2018 19:12:34 -68.33, 70.47 104.72 03/02/2018 19:13:24 -68.35, 70.47 104.71 2.07 50
10 03/02/2018 20:03:18 68.21,-122.06 75.14 03/02/2018 20:02:51 68.23,-122.03 75.17 3.32 27
11 03/02/2018 20:53:44 -67.27, 46.41 105.85 03/02/2018 20:52:36 -67.29, 44.53 105.76 80.86 68
12 03/05/2018 10:39:01 69.34, 17.58 75.31 03/05/2018 10:40:07 69.22, 19.81 75.12 88.92 66
13 03/05/2018 11:29:25 -68.29,-173.69 105.80 03/05/2018 11:29:52 -68.29,-173.72 105.81 1.38 27
14 03/05/2018 12:20:09 68.17, -6.23 74.06 03/05/2018 12:19:19 68.17, -6.22 74.06 0.17 50

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 2/21/2018
SNOs_Map_NPP_TERRA_20180221.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 02/21/2018 in txt file.

Historical Predictions of SNOs between NPP and TERRA

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service