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: 4/18/2018
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 04/19/2018 19:12:58 -68.56, 70.08 122.91 04/19/2018 19:14:10 -68.47, 70.46 123.00 18.13 72
2 04/19/2018 20:03:38 68.23,-122.18 56.75 04/19/2018 20:03:40 68.21,-122.22 56.72 3.30 2
3 04/19/2018 20:54:19 -68.08, 45.33 123.42 04/19/2018 20:53:10 -68.09, 45.28 123.41 2.14 69
4 04/22/2018 11:29:50 -68.36,-173.88 124.03 04/22/2018 11:30:44 -68.35,-173.83 124.04 2.42 54
5 04/22/2018 12:20:33 68.19, -6.36 55.80 04/22/2018 12:20:12 68.19, -6.37 55.79 0.53 21
6 04/22/2018 13:11:02 -67.39, 161.94 125.02 04/22/2018 13:09:53 -67.46, 160.43 124.94 65.10 69
7 04/25/2018 03:46:44 -68.26, -57.99 125.01 04/25/2018 03:47:17 -68.28, -58.05 125.00 2.75 33
8 04/25/2018 04:37:28 68.15, 109.46 54.87 04/25/2018 04:36:44 68.17, 109.47 54.89 1.93 44
9 04/27/2018 19:13:04 68.70,-110.11 54.59 04/27/2018 19:14:15 68.58,-109.44 54.46 30.56 71
10 04/27/2018 20:03:40 -68.28, 57.76 125.86 04/27/2018 20:03:49 -68.25, 57.80 125.88 3.16 9
11 04/27/2018 20:54:23 68.12,-134.72 53.98 04/27/2018 20:53:16 68.14,-134.69 54.00 3.34 67
12 04/30/2018 11:29:52 68.35, 6.12 53.40 04/30/2018 11:30:50 68.33, 6.13 53.38 2.15 58
13 04/30/2018 12:20:34 -68.24, 173.58 126.72 04/30/2018 12:20:20 -68.23, 173.63 126.74 3.02 14
14 04/30/2018 13:11:07 67.54, -18.25 52.57 04/30/2018 13:09:57 67.55, -19.50 52.58 53.22 70

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 4/18/2018
SNOs_Map_NPP_TERRA_20180418.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 04/18/2018 in txt file.

Historical Predictions of SNOs between NPP and TERRA

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service