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: 12/27/2018
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, 145.70 92.60 12/29/2018 02:07:15 69.34, 148.18 92.47 98.03 66
2 12/29/2018 02:56:32 -68.34, -45.48 88.54 12/29/2018 02:57:01 -68.34, -45.45 88.54 1.15 29
3 12/29/2018 03:47:15 68.17, 122.05 91.29 12/29/2018 03:46:29 68.18, 122.00 91.30 2.11 46
4 12/31/2018 18:22:46 68.56, -97.31 91.52 12/31/2018 18:23:58 68.50, -97.01 91.45 14.28 72
5 12/31/2018 19:13:25 -68.30, 70.34 88.75 12/31/2018 19:13:30 -68.28, 70.36 88.78 3.05 5
6 12/31/2018 20:04:08 68.14,-122.14 91.08 12/31/2018 20:02:57 68.17,-122.13 91.12 3.44 71
7 01/03/2019 10:39:37 68.37, 18.71 91.10 01/03/2019 10:40:29 68.37, 18.72 91.09 0.50 52
8 01/03/2019 11:30:18 -68.22,-173.78 89.06 01/03/2019 11:30:00 -68.21,-173.84 89.08 2.91 18
9 01/03/2019 12:20:48 67.35, -5.41 90.06 01/03/2019 12:19:39 67.42, -7.10 90.15 72.98 69
10 01/06/2019 02:56:31 68.35, 134.51 90.79 01/06/2019 02:56:58 68.34, 134.57 90.78 2.27 27
11 01/06/2019 03:47:12 -68.19, -57.97 89.38 01/06/2019 03:46:29 -68.18, -57.99 89.38 1.08 43
12 01/08/2019 18:22:46 -68.69, 82.52 89.19 01/08/2019 18:23:57 -68.59, 83.11 89.31 26.35 71
13 01/08/2019 19:13:24 68.27,-109.62 90.38 01/08/2019 19:13:28 68.25,-109.66 90.36 2.73 4
14 01/08/2019 20:04:06 -68.16, 57.83 89.74 01/08/2019 20:02:58 -68.15, 57.85 89.75 1.78 68

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 12/27/2018
SNOs_Map_NPP_TERRA_20181227.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 12/27/2018 in txt file.

Historical Predictions of SNOs between NPP and TERRA

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service