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: 7/24/2019
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 07/25/2019 02:06:00 69.16, 146.10 49.38 07/25/2019 02:07:08 69.06, 147.80 49.23 68.33 68
2 07/25/2019 02:56:28 -68.34, -45.47 131.47 07/25/2019 02:56:49 -68.34, -45.46 131.47 0.47 21
3 07/25/2019 03:47:12 68.20, 122.01 48.40 07/25/2019 03:46:16 68.23, 122.05 48.43 3.30 56
4 07/27/2019 18:22:42 68.43, -97.14 49.21 07/27/2019 18:23:48 68.44, -97.10 49.21 2.07 66
5 07/27/2019 19:13:23 -68.30, 70.35 130.92 07/27/2019 19:13:19 -68.28, 70.34 130.94 1.97 4
6 07/27/2019 20:04:02 67.90,-121.83 48.68 07/27/2019 20:02:50 67.94,-122.41 48.74 24.74 72
7 07/30/2019 10:39:37 68.40, 18.68 49.80 07/30/2019 10:40:18 68.38, 18.70 49.77 2.42 41
8 07/30/2019 11:30:17 -68.26,-173.83 130.33 07/30/2019 11:29:47 -68.27,-173.79 130.32 2.21 30
9 08/02/2019 02:06:00 -69.18, -33.91 128.74 08/02/2019 02:07:08 -69.09, -32.17 128.87 69.66 68
10 08/02/2019 02:56:30 68.31, 134.56 50.37 08/02/2019 02:56:47 68.31, 134.50 50.37 2.81 17
11 08/02/2019 03:47:12 -68.22, -58.01 129.71 08/02/2019 03:46:17 -68.21, -57.99 129.72 2.11 55
12 08/04/2019 18:22:41 -68.40, 82.91 128.85 08/04/2019 18:23:49 -68.41, 82.85 128.84 2.59 68
13 08/04/2019 19:13:25 68.28,-109.63 51.04 08/04/2019 19:13:16 68.29,-109.65 51.05 1.29 9
14 08/04/2019 20:04:02 -67.92, 58.14 129.32 08/04/2019 20:02:50 -67.97, 57.61 129.26 23.00 72

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 7/24/2019
SNOs_Map_NPP_TERRA_20190724.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 07/24/2019 in txt file.

Historical Predictions of SNOs between NPP and TERRA

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service