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: 2/20/2018
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 02/20/2018 04:37:10 67.81, 109.94 78.70 02/20/2018 04:35:58 67.89, 109.32 78.80 27.19 72
2 02/22/2018 19:12:42 68.35,-109.58 78.30 02/22/2018 19:13:25 68.34,-109.55 78.29 1.52 43
3 02/22/2018 20:03:23 -68.22, 57.90 101.84 02/22/2018 20:02:55 -68.23, 57.95 101.84 2.33 28
4 02/25/2018 10:39:07 -69.34,-162.44 101.65 02/25/2018 10:40:14 -69.19,-160.25 101.87 87.84 67
5 02/25/2018 11:29:34 68.30, 6.27 77.26 02/25/2018 11:29:55 68.30, 6.28 77.26 0.68 21
6 02/25/2018 12:20:15 -68.17, 173.75 102.89 02/25/2018 12:19:25 -68.19, 173.79 102.86 3.09 50
7 02/28/2018 02:55:45 -68.54, -45.58 103.49 02/28/2018 02:56:56 -68.49, -45.25 103.55 14.16 71
8 02/28/2018 03:46:26 68.25, 122.11 76.20 02/28/2018 03:46:25 68.27, 122.12 76.22 2.33 1
9 02/28/2018 04:37:07 -68.12, -70.41 103.95 02/28/2018 04:35:56 -68.11, -70.43 103.95 1.33 71
10 03/02/2018 19:12:35 -68.38, 70.41 104.67 03/02/2018 19:13:28 -68.37, 70.47 104.70 3.17 53
11 03/02/2018 20:03:18 68.20,-122.05 75.13 03/02/2018 20:02:56 68.19,-122.09 75.12 1.94 22
12 03/02/2018 20:53:47 -67.42, 46.23 105.69 03/02/2018 20:52:37 -67.48, 44.72 105.58 64.54 70
13 03/05/2018 11:29:25 -68.28,-173.68 105.81 03/05/2018 11:29:58 -68.30,-173.73 105.79 2.95 33
14 03/05/2018 12:20:09 68.16, -6.22 74.06 03/05/2018 12:19:25 68.18, -6.23 74.08 2.42 44

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 2/20/2018
SNOs_Map_NPP_TERRA_20180220.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 02/20/2018 in txt file.

Historical Predictions of SNOs between NPP and TERRA

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service