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: 12/23/2019
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 12/24/2019 02:55:55 68.38, 134.59 91.69 12/24/2019 02:56:28 68.40, 134.64 91.71 2.83 33
2 12/24/2019 03:46:36 -68.24, -57.92 88.45 12/24/2019 03:45:59 -68.23, -57.94 88.47 2.25 37
3 12/26/2019 18:22:13 -68.97, 82.28 87.78 12/26/2019 18:23:23 -68.89, 83.48 87.88 48.78 70
4 12/26/2019 19:12:47 68.31,-109.55 91.56 12/26/2019 19:12:58 68.34,-109.55 91.58 3.02 11
5 12/26/2019 20:03:29 -68.22, 57.88 88.54 12/26/2019 20:02:28 -68.22, 57.94 88.54 2.50 61
6 12/29/2019 10:38:55 -68.41,-161.21 88.47 12/29/2019 10:39:59 -68.44,-161.20 88.45 2.82 64
7 12/29/2019 11:29:39 68.30, 6.25 91.42 12/29/2019 11:29:27 68.27, 6.25 91.40 2.50 12
8 12/29/2019 12:20:14 -67.83, 174.15 89.06 12/29/2019 12:19:02 -67.89, 173.43 89.00 31.10 72
9 01/01/2020 02:55:48 -68.40, -45.41 88.66 01/01/2020 02:56:29 -68.37, -45.39 88.69 2.61 41
10 01/01/2020 03:46:31 68.23, 122.11 91.17 01/01/2020 03:45:57 68.21, 122.05 91.15 3.50 34
11 01/03/2020 18:22:10 69.07, -97.86 91.81 01/03/2020 18:23:19 68.97, -96.41 91.68 58.78 69
12 01/03/2020 19:12:40 -68.33, 70.45 88.96 01/03/2020 19:12:59 -68.31, 70.41 88.98 3.04 19
13 01/03/2020 20:03:24 68.22,-122.10 90.93 01/03/2020 20:02:26 68.19,-122.08 90.91 3.07 58

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 12/23/2019
SNOs_Map_NPP_TERRA_20191223.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 12/23/2019 in txt file.

Historical Predictions of SNOs between NPP and TERRA

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service