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: 2/19/2020
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 02/20/2020 19:12:39 -68.45, 70.26 100.69 02/20/2020 19:13:51 -68.44, 70.29 100.71 1.99 72
2 02/20/2020 20:03:23 68.32,-122.26 79.17 02/20/2020 20:03:18 68.33,-122.20 79.17 2.80 5
3 02/20/2020 20:54:02 -68.14, 45.30 101.04 02/20/2020 20:52:48 -68.17, 45.25 101.00 4.35 74
4 02/23/2020 11:29:33 -68.39,-173.89 101.72 02/23/2020 11:30:23 -68.40,-173.89 101.72 1.33 50
5 02/23/2020 12:20:17 68.27, -6.42 78.14 02/23/2020 12:19:50 68.29, -6.38 78.16 3.13 27
6 02/23/2020 13:10:43 -67.32, 162.06 102.86 02/23/2020 13:09:35 -67.35, 160.18 102.76 80.77 68
7 02/26/2020 02:56:04 69.38, 133.21 78.34 02/26/2020 02:57:11 69.30, 135.47 78.17 89.13 67
8 02/26/2020 03:46:29 -68.39, -58.12 102.72 02/26/2020 03:46:56 -68.37, -58.07 102.75 3.05 27
9 02/26/2020 04:37:12 68.21, 109.42 77.08 02/26/2020 04:36:24 68.19, 109.37 77.07 2.81 48
10 02/28/2020 19:12:46 68.63,-109.99 76.54 02/28/2020 19:13:56 68.59,-109.57 76.47 17.77 70
11 02/28/2020 20:03:24 -68.33, 57.72 103.79 02/28/2020 20:03:29 -68.33, 57.75 103.80 1.04 5
12 02/28/2020 20:54:08 68.21,-134.81 76.07 02/28/2020 20:52:56 68.20,-134.75 76.08 2.37 72
13 03/02/2020 11:29:38 68.42, 6.06 75.29 03/02/2020 11:30:31 68.43, 6.10 75.30 2.36 53
14 03/02/2020 12:20:18 -68.27, 173.56 104.87 03/02/2020 12:20:01 -68.28, 173.56 104.86 1.30 17
15 03/02/2020 13:10:49 67.45, -18.11 74.27 03/02/2020 13:09:40 67.49, -19.72 74.36 68.59 69

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 2/19/2020
SNOs_Map_NPP_TERRA_20200219.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 02/19/2020 in txt file.

Historical Predictions of SNOs between NPP and TERRA

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service