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: 7/8/2019
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 07/09/2019 02:06:00 69.35, 145.84 46.90 07/09/2019 02:07:07 69.21, 148.00 46.70 86.39 67
2 07/09/2019 02:56:24 -68.32, -45.44 134.17 07/09/2019 02:56:51 -68.33, -45.48 134.16 1.95 27
3 07/09/2019 03:47:09 68.23, 121.98 45.75 07/09/2019 03:46:18 68.21, 122.03 45.73 3.14 51
4 07/11/2019 18:22:39 68.45, -97.16 46.30 07/11/2019 18:23:49 68.43, -97.10 46.28 2.83 70
5 07/11/2019 19:13:19 -68.26, 70.40 133.89 07/11/2019 19:13:20 -68.28, 70.35 133.87 2.55 1
6 07/11/2019 20:04:01 68.02,-121.99 45.87 07/11/2019 20:02:49 68.05,-122.28 45.91 12.59 72
7 07/14/2019 10:39:33 68.40, 18.67 46.64 07/14/2019 10:40:17 68.37, 18.71 46.60 3.30 44
8 07/14/2019 11:30:14 -68.27,-173.84 133.50 07/14/2019 11:29:47 -68.27,-173.77 133.49 2.76 27
9 07/17/2019 02:05:58 -69.23, -33.99 132.08 07/17/2019 02:07:06 -69.15, -32.08 132.22 75.86 68
10 07/17/2019 02:56:27 68.30, 134.57 46.96 07/17/2019 02:56:46 68.30, 134.51 46.97 2.38 19
11 07/17/2019 03:47:09 -68.22, -58.01 133.12 07/17/2019 03:46:16 -68.21, -57.97 133.13 2.05 53
12 07/19/2019 18:22:38 -68.38, 82.93 132.49 07/19/2019 18:23:47 -68.41, 82.88 132.47 3.34 69
13 07/19/2019 19:13:22 68.26,-109.60 47.39 07/19/2019 19:13:14 68.28,-109.63 47.42 2.79 8
14 07/19/2019 20:04:00 -67.96, 58.09 132.91 07/19/2019 20:02:47 -68.02, 57.69 132.84 17.95 73

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 7/8/2019
SNOs_Map_NPP_TERRA_20190708.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 07/08/2019 in txt file.

Historical Predictions of SNOs between NPP and TERRA

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service