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: 2/11/2020
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 02/12/2020 19:12:36 68.41,-109.67 82.05 02/12/2020 19:13:39 68.44,-109.65 82.07 3.16 63
2 02/12/2020 20:03:17 -68.27, 57.83 98.11 02/12/2020 20:03:10 -68.28, 57.79 98.11 1.65 7
3 02/12/2020 20:53:54 67.77,-134.23 81.36 02/12/2020 20:52:43 67.83,-135.09 81.46 36.77 71
4 02/15/2020 11:29:32 68.40, 6.11 81.13 02/15/2020 11:30:12 68.40, 6.17 81.13 2.58 40
5 02/15/2020 12:20:13 -68.26, 173.61 99.03 02/15/2020 12:19:43 -68.25, 173.62 99.04 1.21 30
6 02/18/2020 02:55:58 -69.26, -46.59 98.89 02/18/2020 02:57:06 -69.15, -44.67 99.07 76.73 68
7 02/18/2020 03:46:27 68.34, 121.96 80.14 02/18/2020 03:46:46 68.31, 121.92 80.11 3.02 19
8 02/18/2020 04:37:08 -68.19, -70.54 100.03 02/18/2020 04:36:16 -68.22, -70.56 100.00 2.50 52
9 02/20/2020 19:12:39 -68.45, 70.27 100.69 02/20/2020 19:13:51 -68.45, 70.31 100.70 1.65 72
10 02/20/2020 20:03:22 68.27,-122.20 79.12 02/20/2020 20:03:19 68.27,-122.26 79.12 2.60 3
11 02/20/2020 20:54:02 -68.13, 45.30 101.05 02/20/2020 20:52:49 -68.12, 45.20 101.04 4.40 73
12 02/23/2020 11:29:33 -68.39,-173.89 101.73 02/23/2020 11:30:23 -68.41,-173.88 101.72 2.20 50
13 02/23/2020 12:20:17 68.27, -6.43 78.14 02/23/2020 12:19:50 68.28, -6.38 78.15 2.30 27
14 02/23/2020 13:10:43 -67.32, 162.06 102.86 02/23/2020 13:09:35 -67.36, 160.19 102.75 80.62 68

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 2/11/2020
SNOs_Map_NPP_TERRA_20200211.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 02/11/2020 in txt file.

Historical Predictions of SNOs between NPP and TERRA

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service