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: 9/27/2017
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 09/29/2017 02:56:46 68.37, 134.50 70.71 09/29/2017 02:57:15 68.37, 134.45 70.71 2.31 29
2 09/29/2017 03:47:26 -68.25, -58.01 109.41 09/29/2017 03:46:44 -68.27, -58.04 109.39 2.71 42
3 10/01/2017 18:23:01 -68.69, 82.55 107.95 10/01/2017 18:24:13 -68.60, 82.96 108.03 19.16 72
4 10/01/2017 19:13:41 68.34,-109.68 71.72 10/01/2017 19:13:43 68.32,-109.74 71.70 3.35 2
5 10/01/2017 20:04:22 -68.21, 57.80 108.40 10/01/2017 20:03:13 -68.21, 57.77 108.40 1.40 69
6 10/04/2017 10:39:53 -68.44,-161.35 107.16 10/04/2017 10:40:44 -68.43,-161.36 107.17 1.17 51
7 10/04/2017 11:30:37 68.31, 6.13 72.73 10/04/2017 11:30:11 68.31, 6.14 72.73 0.67 26
8 10/04/2017 12:21:03 -67.37, 174.61 108.19 10/04/2017 12:19:55 -67.43, 172.75 108.16 79.68 68
9 10/07/2017 02:06:22 69.29, 145.94 74.71 10/07/2017 02:07:30 69.19, 147.84 74.63 75.71 68
10 10/07/2017 02:56:49 -68.41, -45.54 106.16 10/07/2017 02:57:12 -68.42, -45.49 106.15 2.34 23
11 10/07/2017 03:47:32 68.22, 122.00 73.67 10/07/2017 03:46:40 68.24, 121.94 73.69 3.38 52
12 10/09/2017 18:23:03 68.47, -97.17 74.91 10/09/2017 18:24:11 68.45, -97.21 74.89 2.62 68
13 10/09/2017 19:13:43 -68.33, 70.33 105.22 10/09/2017 19:13:40 -68.35, 70.30 105.20 2.66 3
14 10/09/2017 20:04:23 67.98,-121.92 74.46 10/09/2017 20:03:11 68.00,-122.46 74.47 22.56 72

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 9/27/2017
SNOs_Map_NPP_TERRA_20170927.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 09/27/2017 in txt file.

Historical Predictions of SNOs between NPP and TERRA

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service