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: 6/1/2019
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 06/01/2019 19:13:07 68.34,-109.67 46.13 06/01/2019 19:13:32 68.32,-109.64 46.11 2.33 25
2 06/01/2019 20:03:48 -68.20, 57.82 134.02 06/01/2019 20:03:02 -68.21, 57.87 134.00 2.53 46
3 06/04/2019 10:39:21 -68.54,-161.49 133.99 06/04/2019 10:40:32 -68.50,-161.18 134.04 13.41 71
4 06/04/2019 11:30:02 68.26, 6.19 45.72 06/04/2019 11:30:01 68.28, 6.19 45.73 1.77 1
5 06/04/2019 12:20:43 -68.12, 173.69 134.43 06/04/2019 12:19:32 -68.12, 173.64 134.43 2.13 71
6 06/07/2019 02:56:14 -68.36, -45.48 134.46 06/07/2019 02:57:03 -68.35, -45.49 134.48 1.72 49
7 06/07/2019 03:46:58 68.24, 121.98 45.41 06/07/2019 03:46:30 68.23, 122.02 45.40 2.11 28
8 06/07/2019 04:37:23 -67.24, -69.47 135.61 06/07/2019 04:36:15 -67.29, -71.42 135.54 84.25 68
9 06/09/2019 18:22:42 69.19, -98.14 46.14 06/09/2019 18:23:50 69.06, -96.34 46.00 72.43 68
10 06/09/2019 19:13:09 -68.29, 70.38 134.78 06/09/2019 19:13:32 -68.30, 70.34 134.77 1.94 23
11 06/09/2019 20:03:53 68.17,-122.16 45.10 06/09/2019 20:02:59 68.17,-122.16 45.11 0.49 54
12 06/12/2019 10:39:22 68.37, 18.73 45.12 06/12/2019 10:40:29 68.39, 18.70 45.14 3.20 67
13 06/12/2019 11:30:04 -68.27,-173.83 134.99 06/12/2019 11:30:00 -68.24,-173.85 135.02 3.30 4
14 06/12/2019 12:20:43 67.89, -6.03 44.62 06/12/2019 12:19:31 67.89, -6.61 44.64 24.24 72

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 6/1/2019
SNOs_Map_NPP_TERRA_20190601.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 06/01/2019 in txt file.

Historical Predictions of SNOs between NPP and TERRA

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service