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: 4/12/2018
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 04/14/2018 11:29:49 68.31, 6.18 58.72 04/14/2018 11:30:35 68.34, 6.20 58.74 3.29 46
2 04/14/2018 12:20:30 -68.17, 173.68 121.45 04/14/2018 12:20:06 -68.18, 173.65 121.43 2.45 24
3 04/14/2018 13:10:56 67.07, -17.68 57.44 04/14/2018 13:09:50 67.12, -19.92 57.51 96.83 66
4 04/17/2018 02:56:19 -69.39, -46.83 121.12 04/17/2018 02:57:25 -69.27, -44.40 121.27 96.20 66
5 04/17/2018 03:46:44 68.27, 122.01 57.72 04/17/2018 03:47:08 68.27, 121.99 57.72 0.87 24
6 04/17/2018 04:37:26 -68.17, -70.55 122.40 04/17/2018 04:36:38 -68.17, -70.49 122.39 2.44 48
7 04/19/2018 19:12:58 -68.55, 70.10 122.92 04/19/2018 19:14:10 -68.48, 70.47 122.99 16.60 72
8 04/19/2018 20:03:38 68.23,-122.17 56.74 04/19/2018 20:03:39 68.26,-122.16 56.77 3.47 1
9 04/19/2018 20:54:20 -68.12, 45.27 123.38 04/19/2018 20:53:10 -68.10, 45.29 123.40 2.56 70
10 04/22/2018 11:29:50 -68.34,-173.86 124.04 04/22/2018 11:30:44 -68.35,-173.83 124.04 1.61 54
11 04/22/2018 12:20:33 68.19, -6.35 55.79 04/22/2018 12:20:12 68.18, -6.39 55.78 1.87 21
12 04/22/2018 13:11:02 -67.38, 161.96 125.03 04/22/2018 13:09:53 -67.46, 160.43 124.94 65.99 69
13 04/25/2018 03:46:45 -68.30, -58.04 124.97 04/25/2018 03:47:16 -68.32, -57.99 124.96 2.59 31
14 04/25/2018 04:37:28 68.15, 109.47 54.87 04/25/2018 04:36:44 68.14, 109.45 54.86 1.01 44

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 4/12/2018
SNOs_Map_NPP_TERRA_20180412.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 04/12/2018 in txt file.

Historical Predictions of SNOs between NPP and TERRA

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service