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: 2/17/2020
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 -69.28, -46.62 98.87 02/18/2020 02:57:06 -69.13, -44.71 99.09 77.27 68
2 02/18/2020 03:46:27 68.35, 121.94 80.15 02/18/2020 03:46:45 68.35, 121.97 80.15 1.05 18
3 02/18/2020 04:37:08 -68.21, -70.57 100.01 02/18/2020 04:36:16 -68.19, -70.59 100.02 2.40 52
4 02/20/2020 19:12:39 -68.47, 70.24 100.67 02/20/2020 19:13:50 -68.48, 70.34 100.68 4.00 71
5 02/20/2020 20:03:22 68.29,-122.21 79.13 02/20/2020 20:03:18 68.30,-122.22 79.15 2.09 4
6 02/20/2020 20:54:02 -68.10, 45.35 101.08 02/20/2020 20:52:50 -68.10, 45.16 101.07 7.68 72
7 02/23/2020 11:29:34 -68.41,-173.91 101.71 02/23/2020 11:30:23 -68.43,-173.85 101.70 3.47 49
8 02/23/2020 12:20:18 68.28, -6.44 78.15 02/23/2020 12:19:51 68.25, -6.42 78.13 3.20 27
9 02/23/2020 13:10:43 -67.28, 162.11 102.90 02/23/2020 13:09:35 -67.38, 160.21 102.73 82.09 68
10 02/26/2020 02:56:04 69.40, 133.18 78.35 02/26/2020 02:57:10 69.30, 135.48 78.18 90.83 66
11 02/26/2020 03:46:28 -68.35, -58.07 102.76 02/26/2020 03:46:55 -68.38, -58.05 102.74 3.20 27
12 02/26/2020 04:37:12 68.23, 109.40 77.10 02/26/2020 04:36:23 68.20, 109.38 77.08 3.09 49
13 02/28/2020 19:12:45 68.60,-109.95 76.51 02/28/2020 19:13:56 68.52,-109.64 76.41 15.08 71
14 02/28/2020 20:03:23 -68.29, 57.77 103.83 02/28/2020 20:03:28 -68.32, 57.74 103.80 2.95 5
15 02/28/2020 20:54:07 68.17,-134.77 76.04 02/28/2020 20:52:55 68.19,-134.76 76.07 2.39 72

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 2/17/2020
SNOs_Map_NPP_TERRA_20200217.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 02/17/2020 in txt file.

Historical Predictions of SNOs between NPP and TERRA

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service