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: 1/4/2018
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 01/05/2018 18:22:42 -68.98, 82.16 88.55 01/05/2018 18:23:51 -68.89, 83.49 88.67 54.26 69
2 01/05/2018 19:13:15 68.28,-109.59 90.73 01/05/2018 19:13:27 68.28,-109.62 90.73 0.99 12
3 01/05/2018 20:03:57 -68.19, 57.83 89.37 01/05/2018 20:02:57 -68.17, 57.89 89.39 3.10 60
4 01/08/2018 10:39:25 -68.41,-161.30 89.47 01/08/2018 10:40:29 -68.40,-161.23 89.49 3.19 64
5 01/08/2018 11:30:08 68.24, 6.23 90.36 01/08/2018 11:29:57 68.23, 6.21 90.35 1.59 11
6 01/08/2018 12:20:44 -67.83, 174.06 90.07 01/08/2018 12:19:32 -67.85, 173.39 90.04 28.17 72
7 01/11/2018 02:56:16 -68.32, -45.41 89.94 01/11/2018 02:56:58 -68.35, -45.42 89.92 2.66 42
8 01/11/2018 03:47:00 68.21, 122.04 89.94 01/11/2018 03:46:25 68.23, 122.09 89.96 3.27 35
9 01/13/2018 18:22:39 69.03, -97.89 90.36 01/13/2018 18:23:48 68.95, -96.42 90.24 59.30 69
10 01/13/2018 19:13:09 -68.29, 70.40 90.41 01/13/2018 19:13:28 -68.29, 70.40 90.41 0.22 19
11 01/13/2018 20:03:53 68.18,-122.14 89.47 01/13/2018 20:02:55 68.17,-122.10 89.47 1.84 58
12 01/16/2018 10:39:20 68.36, 18.78 89.18 01/16/2018 10:40:27 68.38, 18.76 89.20 3.13 67
13 01/16/2018 11:30:02 -68.26,-173.78 90.92 01/16/2018 11:29:57 -68.28,-173.73 90.91 3.27 5
14 01/16/2018 12:20:41 67.88, -5.99 88.68 01/16/2018 12:19:28 67.94, -6.49 88.76 21.93 73

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 1/4/2018
SNOs_Map_NPP_TERRA_20180104.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 01/04/2018 in txt file.

Historical Predictions of SNOs between NPP and TERRA

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service