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: 10/23/2018
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 10/26/2018 02:56:37 -68.47, -45.53 99.23 10/26/2018 02:57:37 -68.49, -45.51 99.21 2.52 60
2 10/26/2018 03:47:21 68.34, 121.95 80.65 10/26/2018 03:47:05 68.32, 121.92 80.63 2.18 16
3 10/26/2018 04:37:53 -67.73, -69.97 99.94 10/26/2018 04:36:42 -67.83, -71.02 99.87 45.85 71
4 10/28/2018 19:13:30 -68.44, 70.28 98.36 10/28/2018 19:14:04 -68.42, 70.29 98.38 1.59 34
5 10/28/2018 20:04:14 68.30,-122.24 81.52 10/28/2018 20:03:31 68.30,-122.21 81.51 1.22 43
6 10/31/2018 10:39:47 68.75, 18.31 82.82 10/31/2018 10:40:58 68.67, 18.84 82.75 23.26 71
7 10/31/2018 11:30:24 -68.41,-173.91 97.52 10/31/2018 11:30:31 -68.41,-173.85 97.51 2.75 7
8 10/31/2018 12:21:07 68.22, -6.37 82.32 10/31/2018 12:19:59 68.23, -6.42 82.32 2.16 68
9 11/03/2018 02:56:36 68.46, 134.47 83.38 11/03/2018 02:57:28 68.48, 134.50 83.41 2.94 52
10 11/03/2018 03:47:17 -68.32, -58.04 96.75 11/03/2018 03:46:59 -68.34, -58.05 96.74 1.46 18
11 11/03/2018 04:37:47 67.44, 110.37 82.41 11/03/2018 04:36:39 67.47, 108.60 82.40 75.35 68
12 11/05/2018 19:13:30 68.43,-109.73 84.18 11/05/2018 19:13:56 68.40,-109.72 84.15 3.30 26
13 11/05/2018 20:04:11 -68.29, 57.77 95.95 11/05/2018 20:03:26 -68.31, 57.81 95.94 2.82 45

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 10/23/2018
SNOs_Map_NPP_TERRA_20181024.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 10/23/2018 in txt file.

Historical Predictions of SNOs between NPP and TERRA

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service