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: 4/17/2017
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 04/19/2017 10:39:07 68.75, 18.33 57.33 04/19/2017 10:40:18 68.62, 19.02 57.19 30.97 71
2 04/19/2017 11:29:41 -68.28,-173.73 123.17 04/19/2017 11:29:51 -68.29,-173.75 123.15 2.07 10
3 04/19/2017 12:20:25 68.16, -6.27 56.71 04/19/2017 12:19:18 68.18, -6.24 56.73 2.89 67
4 04/22/2017 02:55:55 68.38, 134.59 56.04 04/22/2017 02:56:52 68.36, 134.57 56.01 2.84 57
5 04/22/2017 03:46:36 -68.23, -57.90 124.13 04/22/2017 03:46:22 -68.25, -57.92 124.11 2.58 14
6 04/22/2017 04:37:09 67.52, 110.28 55.15 04/22/2017 04:35:59 67.58, 108.94 55.22 57.43 70
7 04/24/2017 19:12:50 68.34,-109.59 55.11 04/24/2017 19:13:23 68.31,-109.61 55.08 3.39 33
8 04/24/2017 20:03:31 -68.19, 57.92 125.06 04/24/2017 20:02:53 -68.21, 57.90 125.04 2.44 38
9 04/27/2017 10:39:10 -68.89,-161.86 125.19 04/27/2017 10:40:20 -68.76,-160.83 125.32 43.94 70
10 04/27/2017 11:29:45 68.30, 6.23 54.21 04/27/2017 11:29:53 68.32, 6.27 54.22 2.50 8
11 04/27/2017 12:20:26 -68.15, 173.74 125.96 04/27/2017 12:19:24 -68.16, 173.71 125.95 1.73 62
12 04/30/2017 02:55:56 -68.37, -45.41 126.55 04/30/2017 02:56:57 -68.38, -45.42 126.54 1.07 61
13 04/30/2017 03:46:39 68.27, 122.04 53.34 04/30/2017 03:46:23 68.27, 122.08 53.34 1.69 16
14 04/30/2017 04:37:12 -67.68, -69.91 127.27 04/30/2017 04:36:01 -67.72, -70.92 127.22 43.07 71

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 4/17/2017
SNOs_Map_NPP_TERRA_20170419.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 04/17/2017 in txt file.

Historical Predictions of SNOs between NPP and TERRA

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service