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: 2/16/2020
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 02/18/2020 02:55:58 -69.26, -46.60 98.89 02/18/2020 02:57:06 -69.14, -44.69 99.08 76.55 68
2 02/18/2020 03:46:27 68.33, 121.96 80.13 02/18/2020 03:46:46 68.31, 121.92 80.11 2.72 19
3 02/18/2020 04:37:08 -68.20, -70.55 100.03 02/18/2020 04:36:16 -68.21, -70.57 100.00 1.88 52
4 02/20/2020 19:12:38 -68.45, 70.27 100.69 02/20/2020 19:13:50 -68.44, 70.30 100.71 1.55 72
5 02/20/2020 20:03:22 68.32,-122.26 79.17 02/20/2020 20:03:17 68.33,-122.20 79.17 2.79 5
6 02/20/2020 20:54:02 -68.13, 45.30 101.04 02/20/2020 20:52:49 -68.12, 45.19 101.05 4.88 73
7 02/23/2020 11:29:33 -68.39,-173.89 101.73 02/23/2020 11:30:23 -68.41,-173.88 101.72 1.62 50
8 02/23/2020 12:20:17 68.27, -6.42 78.14 02/23/2020 12:19:50 68.29, -6.38 78.16 2.70 27
9 02/23/2020 13:10:43 -67.32, 162.06 102.86 02/23/2020 13:09:35 -67.35, 160.18 102.76 80.85 68
10 02/26/2020 02:56:04 69.38, 133.21 78.34 02/26/2020 02:57:11 69.29, 135.46 78.16 89.06 67
11 02/26/2020 03:46:29 -68.39, -58.12 102.72 02/26/2020 03:46:56 -68.36, -58.07 102.75 3.16 27
12 02/26/2020 04:37:12 68.21, 109.42 77.09 02/26/2020 04:36:23 68.24, 109.43 77.12 3.44 49
13 02/28/2020 19:12:45 68.58,-109.92 76.49 02/28/2020 19:13:57 68.52,-109.65 76.41 13.10 72
14 02/28/2020 20:03:24 -68.33, 57.72 103.79 02/28/2020 20:03:29 -68.32, 57.74 103.81 1.49 5
15 02/28/2020 20:54:08 68.21,-134.82 76.08 02/28/2020 20:52:56 68.19,-134.77 76.07 2.77 72

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 2/16/2020
SNOs_Map_NPP_TERRA_20200216.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 02/16/2020 in txt file.

Historical Predictions of SNOs between NPP and TERRA

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service