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: 3/23/2018
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 03/24/2018 02:55:58 68.61, 134.27 67.17 03/24/2018 02:57:09 68.52, 134.76 67.06 22.36 71
2 03/24/2018 03:46:35 -68.26, -57.95 113.20 03/24/2018 03:46:42 -68.25, -57.94 113.22 1.83 7
3 03/24/2018 04:37:19 68.13, 109.52 66.65 03/24/2018 04:36:09 68.14, 109.58 66.66 2.34 70
4 03/26/2018 19:12:49 68.33,-109.60 65.83 03/26/2018 19:13:45 68.32,-109.62 65.81 1.85 56
5 03/26/2018 20:03:30 -68.19, 57.90 114.33 03/26/2018 20:03:15 -68.22, 57.89 114.31 2.68 15
6 03/26/2018 20:54:02 67.42,-133.84 64.87 03/26/2018 20:52:53 67.49,-135.30 64.97 63.01 69
7 03/29/2018 11:29:43 68.27, 6.25 64.72 03/29/2018 11:30:17 68.28, 6.20 64.72 2.20 34
8 03/29/2018 12:20:25 -68.18, 173.68 115.39 03/29/2018 12:19:47 -68.18, 173.72 115.39 1.36 38
9 04/01/2018 02:56:05 -68.92, -46.14 115.65 04/01/2018 02:57:15 -68.79, -44.95 115.80 49.94 70
10 04/01/2018 03:46:39 68.27, 122.02 63.67 04/01/2018 03:46:49 68.29, 122.08 63.69 3.55 10
11 04/01/2018 04:37:20 -68.12, -70.47 116.50 04/01/2018 04:36:20 -68.14, -70.47 116.48 1.94 60
12 04/03/2018 19:12:51 -68.38, 70.34 117.24 04/03/2018 19:13:55 -68.35, 70.38 117.27 2.90 64
13 04/03/2018 20:03:34 68.21,-122.14 62.58 04/03/2018 20:03:22 68.24,-122.11 62.61 3.11 12
14 04/03/2018 20:54:10 -67.79, 45.71 117.87 04/03/2018 20:52:58 -67.80, 45.01 117.84 29.40 72

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 3/23/2018
SNOs_Map_NPP_TERRA_20180323.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 03/23/2018 in txt file.

Historical Predictions of SNOs between NPP and TERRA

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service