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: 3/19/2019
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 03/21/2019 19:12:50 -68.33, 70.39 112.10 03/21/2019 19:13:35 -68.32, 70.38 112.12 1.62 45
2 03/21/2019 20:03:34 68.20,-122.13 67.75 03/21/2019 20:03:02 68.20,-122.12 67.76 0.71 32
3 03/24/2019 10:39:14 69.14, 17.77 67.68 03/24/2019 10:40:22 69.05, 19.52 67.55 70.17 68
4 03/24/2019 11:29:42 -68.31,-173.80 113.19 03/24/2019 11:30:04 -68.28,-173.79 113.22 3.42 22
5 03/24/2019 12:20:26 68.18, -6.32 66.67 03/24/2019 12:19:31 68.16, -6.29 66.65 2.59 55
6 03/27/2019 02:55:53 68.37, 134.59 65.83 03/27/2019 02:57:03 68.38, 134.57 65.84 1.66 70
7 03/27/2019 03:46:34 -68.23, -57.92 114.32 03/27/2019 03:46:34 -68.23, -57.98 114.33 2.23 0
8 03/27/2019 04:37:15 67.94, 109.75 65.37 03/27/2019 04:36:03 67.99, 109.39 65.43 15.90 72
9 03/29/2019 19:12:46 68.35,-109.61 64.76 03/29/2019 19:13:33 68.32,-109.62 64.73 3.26 47
10 03/29/2019 20:03:27 -68.21, 57.88 115.40 03/29/2019 20:03:03 -68.22, 57.90 115.38 1.76 24
11 03/29/2019 20:53:53 67.11,-133.47 63.48 03/29/2019 20:52:46 67.20,-135.62 63.61 93.23 67
12 04/01/2019 10:39:13 -69.41,-162.58 115.18 04/01/2019 10:40:19 -69.32,-160.13 115.31 96.78 66
13 04/01/2019 11:29:38 68.28, 6.26 63.65 04/01/2019 11:30:02 68.31, 6.25 63.68 3.09 24
14 04/01/2019 12:20:19 -68.14, 173.76 116.51 04/01/2019 12:19:33 -68.16, 173.70 116.49 3.28 46

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 3/19/2019
SNOs_Map_NPP_TERRA_20190320.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 03/19/2019 in txt file.

Historical Predictions of SNOs between NPP and TERRA

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service