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: 10/12/2019
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 10/13/2019 02:05:51 68.68, 146.89 76.19 10/13/2019 02:07:02 68.60, 147.17 76.12 14.26 71
2 10/13/2019 02:56:29 -68.38, -45.40 104.10 10/13/2019 02:56:34 -68.38, -45.46 104.10 2.50 5
3 10/13/2019 03:47:13 68.25, 122.07 75.80 10/13/2019 03:46:01 68.27, 122.05 75.81 2.03 72
4 10/15/2019 18:22:41 68.49, -97.10 77.00 10/15/2019 18:23:32 68.46, -97.12 76.98 2.71 51
5 10/15/2019 19:13:22 -68.35, 70.40 103.13 10/15/2019 19:13:02 -68.36, 70.39 103.12 1.00 20
6 10/15/2019 20:03:51 67.41,-121.13 75.97 10/15/2019 20:02:43 67.46,-123.01 75.98 80.02 68
7 10/18/2019 10:39:35 68.46, 18.70 77.96 10/18/2019 10:40:01 68.43, 18.73 77.93 3.30 26
8 10/18/2019 11:30:16 -68.32,-173.80 102.17 10/18/2019 11:29:31 -68.33,-173.76 102.17 1.66 45
9 10/21/2019 02:05:49 -68.77, -33.25 100.78 10/21/2019 02:07:00 -68.69, -32.73 100.86 23.02 71
10 10/21/2019 02:56:28 68.39, 134.57 78.85 10/21/2019 02:56:30 68.40, 134.56 78.86 1.44 2
11 10/21/2019 03:47:09 -68.25, -57.93 101.28 10/21/2019 03:46:01 -68.25, -57.99 101.29 2.44 68
12 10/23/2019 18:22:38 -68.49, 82.90 100.12 10/23/2019 18:23:32 -68.48, 82.90 100.12 0.26 54
13 10/23/2019 19:13:22 68.37,-109.64 79.78 10/23/2019 19:12:59 68.36,-109.61 79.77 1.50 23
14 10/23/2019 20:03:50 -67.52, 58.73 101.04 10/23/2019 20:02:41 -67.60, 57.13 101.00 68.14 69

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 10/12/2019
SNOs_Map_NPP_TERRA_20191012.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 10/12/2019 in txt file.

Historical Predictions of SNOs between NPP and TERRA

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service