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: 2/9/2020
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 02/10/2020 02:55:51 68.96, 133.83 83.50 02/10/2020 02:57:01 68.80, 134.94 83.29 47.55 70
2 02/10/2020 03:46:22 -68.34, -58.02 97.16 02/10/2020 03:46:36 -68.36, -57.97 97.15 2.96 14
3 02/10/2020 04:37:06 68.21, 109.45 82.70 02/10/2020 04:36:04 68.20, 109.48 82.69 2.07 62
4 02/12/2020 19:12:36 68.41,-109.67 82.05 02/12/2020 19:13:39 68.43,-109.65 82.06 2.83 63
5 02/12/2020 20:03:17 -68.27, 57.83 98.11 02/12/2020 20:03:10 -68.28, 57.79 98.11 1.78 7
6 02/12/2020 20:53:54 67.77,-134.23 81.36 02/12/2020 20:52:43 67.83,-135.09 81.45 36.80 71
7 02/15/2020 11:29:32 68.40, 6.11 81.13 02/15/2020 11:30:12 68.40, 6.17 81.12 2.17 40
8 02/15/2020 12:20:13 -68.26, 173.61 99.03 02/15/2020 12:19:43 -68.24, 173.61 99.04 1.50 30
9 02/18/2020 02:55:58 -69.25, -46.59 98.90 02/18/2020 02:57:06 -69.14, -44.69 99.08 76.22 68
10 02/18/2020 03:46:27 68.33, 121.96 80.13 02/18/2020 03:46:45 68.35, 121.98 80.15 2.33 18
11 02/18/2020 04:37:08 -68.19, -70.54 100.03 02/18/2020 04:36:16 -68.20, -70.57 100.01 1.95 52
12 02/20/2020 19:12:39 -68.44, 70.28 100.70 02/20/2020 19:13:51 -68.43, 70.29 100.72 1.76 72
13 02/20/2020 20:03:22 68.32,-122.26 79.17 02/20/2020 20:03:17 68.30,-122.21 79.15 2.97 5
14 02/20/2020 20:54:02 -68.13, 45.31 101.05 02/20/2020 20:52:48 -68.16, 45.24 101.01 4.56 74

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 2/9/2020
SNOs_Map_NPP_TERRA_20200209.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 02/09/2020 in txt file.

Historical Predictions of SNOs between NPP and TERRA

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service