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: 2/26/2019
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 02/28/2019 10:39:14 -68.39,-161.26 103.68 02/28/2019 10:40:25 -68.37,-161.30 103.71 2.61 71
2 02/28/2019 11:29:58 68.25, 6.22 76.17 02/28/2019 11:29:52 68.25, 6.21 76.17 0.54 6
3 02/28/2019 12:20:37 -68.02, 173.83 104.08 02/28/2019 12:19:24 -68.04, 173.59 104.05 10.39 73
4 03/03/2019 02:56:07 -68.34, -45.43 104.74 03/03/2019 02:56:54 -68.35, -45.44 104.74 0.61 47
5 03/03/2019 03:46:51 68.21, 122.04 75.11 03/03/2019 03:46:21 68.23, 122.06 75.13 2.15 30
6 03/03/2019 04:37:15 -67.17, -69.36 105.98 03/03/2019 04:36:08 -67.18, -71.50 105.90 92.20 67
7 03/05/2019 18:22:32 69.19, -98.11 75.12 03/05/2019 18:23:40 69.09, -96.27 74.96 73.50 68
8 03/05/2019 19:12:59 -68.31, 70.39 105.82 03/05/2019 19:13:22 -68.33, 70.41 105.80 2.57 23
9 03/05/2019 20:03:43 68.17,-122.13 74.04 03/05/2019 20:02:50 68.15,-122.16 74.02 3.05 53
10 03/08/2019 10:39:11 68.40, 18.73 73.26 03/08/2019 10:40:21 68.39, 18.74 73.24 0.91 70
11 03/08/2019 11:29:52 -68.27,-173.78 106.90 03/08/2019 11:29:52 -68.25,-173.81 106.92 2.79 0
12 03/08/2019 12:20:33 67.98, -6.11 72.79 03/08/2019 12:19:21 68.01, -6.44 72.84 14.30 72
13 03/11/2019 02:56:04 68.37, 134.54 72.17 03/11/2019 02:56:50 68.36, 134.58 72.16 1.70 46
14 03/11/2019 03:46:45 -68.23, -57.96 107.99 03/11/2019 03:46:21 -68.21, -57.97 108.01 2.28 24
15 03/11/2019 04:37:11 67.13, 110.69 70.87 03/11/2019 04:36:04 67.19, 108.51 70.99 93.99 67

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 2/26/2019
SNOs_Map_NPP_TERRA_20190226.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 02/26/2019 in txt file.

Historical Predictions of SNOs between NPP and TERRA

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service