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: 9/24/2017
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 09/26/2017 10:39:50 68.42, 18.68 69.71 09/26/2017 10:40:46 68.41, 18.62 69.71 2.34 56
2 09/26/2017 11:30:31 -68.29,-173.83 110.41 09/26/2017 11:30:16 -68.31,-173.87 110.39 2.88 15
3 09/26/2017 12:21:03 67.50, -5.55 68.83 09/26/2017 12:19:54 67.58, -7.07 68.89 65.21 69
4 09/29/2017 02:56:46 68.38, 134.50 70.72 09/29/2017 02:57:15 68.36, 134.44 70.70 2.71 29
5 09/29/2017 03:47:27 -68.25, -58.01 109.40 09/29/2017 03:46:45 -68.26, -58.04 109.39 2.19 42
6 10/01/2017 18:23:01 -68.69, 82.55 107.95 10/01/2017 18:24:13 -68.60, 82.96 108.04 19.52 72
7 10/01/2017 19:13:41 68.34,-109.69 71.72 10/01/2017 19:13:42 68.36,-109.67 71.74 2.39 1
8 10/01/2017 20:04:22 -68.21, 57.80 108.40 10/01/2017 20:03:13 -68.21, 57.77 108.40 1.19 69
9 10/04/2017 10:39:53 -68.44,-161.35 107.16 10/04/2017 10:40:44 -68.42,-161.37 107.18 1.79 51
10 10/04/2017 11:30:37 68.31, 6.12 72.73 10/04/2017 11:30:11 68.30, 6.13 72.72 1.07 26
11 10/04/2017 12:21:03 -67.37, 174.61 108.19 10/04/2017 12:19:55 -67.42, 172.75 108.16 79.71 68
12 10/07/2017 02:06:22 69.29, 145.94 74.71 10/07/2017 02:07:30 69.18, 147.82 74.61 75.60 68
13 10/07/2017 02:56:49 -68.41, -45.54 106.16 10/07/2017 02:57:12 -68.41, -45.50 106.16 1.69 23
14 10/07/2017 03:47:33 68.28, 121.93 73.73 10/07/2017 03:46:39 68.29, 122.00 73.73 2.75 54

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 9/24/2017
SNOs_Map_NPP_TERRA_20170924.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 09/24/2017 in txt file.

Historical Predictions of SNOs between NPP and TERRA

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service