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: 12/28/2018
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 12/29/2018 02:06:09 69.45, 145.69 92.61 12/29/2018 02:07:15 69.35, 148.19 92.47 98.36 66
2 12/29/2018 02:56:32 -68.34, -45.48 88.53 12/29/2018 02:57:01 -68.34, -45.44 88.54 1.50 29
3 12/29/2018 03:47:15 68.17, 122.05 91.30 12/29/2018 03:46:29 68.18, 122.01 91.31 1.92 46
4 12/31/2018 18:22:48 68.62, -97.39 91.58 12/31/2018 18:23:58 68.56, -96.93 91.51 19.55 70
5 12/31/2018 19:13:25 -68.31, 70.34 88.75 12/31/2018 19:13:30 -68.29, 70.37 88.77 2.66 5
6 12/31/2018 20:04:08 68.14,-122.14 91.09 12/31/2018 20:02:58 68.12,-122.18 91.07 2.62 70
7 01/03/2019 10:39:37 68.37, 18.71 91.10 01/03/2019 10:40:29 68.38, 18.74 91.11 1.79 52
8 01/03/2019 11:30:18 -68.22,-173.78 89.06 01/03/2019 11:30:00 -68.22,-173.83 89.06 1.84 18
9 01/03/2019 12:20:48 67.35, -5.41 90.06 01/03/2019 12:19:40 67.38, -7.15 90.11 74.61 68
10 01/06/2019 02:56:30 68.29, 134.58 90.74 01/06/2019 02:56:59 68.31, 134.53 90.75 2.95 29
11 01/06/2019 03:47:12 -68.19, -57.97 89.38 01/06/2019 03:46:29 -68.20, -57.97 89.36 1.61 43
12 01/08/2019 18:22:46 -68.69, 82.52 89.19 01/08/2019 18:23:57 -68.62, 83.14 89.28 26.46 71
13 01/08/2019 19:13:24 68.27,-109.62 90.37 01/08/2019 19:13:28 68.28,-109.63 90.39 1.57 4
14 01/08/2019 20:04:06 -68.16, 57.83 89.74 01/08/2019 20:02:58 -68.18, 57.89 89.72 2.87 68

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 12/28/2018
SNOs_Map_NPP_TERRA_20181228.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 12/28/2018 in txt file.

Historical Predictions of SNOs between NPP and TERRA

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service