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: 12/23/2018
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 12/23/2018 18:22:48 -68.64, 82.59 88.05 12/23/2018 18:23:59 -68.55, 83.05 88.15 21.26 71
2 12/23/2018 19:13:27 68.26,-109.60 91.57 12/23/2018 19:13:29 68.27,-109.64 91.58 2.61 2
3 12/23/2018 20:04:09 -68.17, 57.83 88.53 12/23/2018 20:02:59 -68.16, 57.86 88.53 1.19 70
4 12/26/2018 10:39:38 -68.39,-161.31 88.37 12/26/2018 10:40:31 -68.41,-161.24 88.35 3.55 53
5 12/26/2018 11:30:21 68.22, 6.22 91.46 12/26/2018 11:29:59 68.24, 6.20 91.49 2.72 22
6 12/26/2018 12:20:50 -67.42, 174.51 89.35 12/26/2018 12:19:41 -67.47, 172.94 89.29 67.40 69
7 12/29/2018 02:56:32 -68.35, -45.49 88.53 12/29/2018 02:57:02 -68.33, -45.46 88.55 2.47 30
8 12/29/2018 03:47:15 68.18, 122.03 91.31 12/29/2018 03:46:29 68.21, 122.05 91.34 3.42 46
9 12/31/2018 18:22:48 68.63, -97.40 91.59 12/31/2018 18:23:59 68.57, -96.92 91.52 20.38 71
10 12/31/2018 19:13:26 -68.31, 70.33 88.74 12/31/2018 19:13:32 -68.30, 70.39 88.75 2.45 6
11 12/31/2018 20:04:09 68.15,-122.15 91.10 12/31/2018 20:03:00 68.13,-122.17 91.08 2.14 69
12 01/03/2019 10:39:37 68.38, 18.70 91.11 01/03/2019 10:40:31 68.38, 18.73 91.11 1.34 54
13 01/03/2019 11:30:18 -68.22,-173.78 89.06 01/03/2019 11:30:02 -68.23,-173.83 89.06 1.74 16
14 01/03/2019 12:20:49 67.41, -5.48 90.12 01/03/2019 12:19:40 67.49, -7.03 90.22 66.62 69

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 12/23/2018
SNOs_Map_NPP_TERRA_20181223.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 12/23/2018 in txt file.

Historical Predictions of SNOs between NPP and TERRA

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service