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: 1/8/2020
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 01/09/2020 02:55:43 68.37, 134.63 90.48 01/09/2020 02:56:26 68.39, 134.63 90.48 1.53 43
2 01/09/2020 03:46:25 -68.29, -57.94 89.62 01/09/2020 03:45:56 -68.27, -57.88 89.64 3.21 29
3 01/11/2020 18:22:06 -69.28, 81.87 88.97 01/11/2020 18:23:14 -69.18, 83.86 89.13 79.45 68
4 01/11/2020 19:12:35 68.37,-109.59 90.08 01/11/2020 19:12:54 68.36,-109.53 90.06 3.00 19
5 01/11/2020 20:03:16 -68.23, 57.91 90.08 01/11/2020 20:02:24 -68.24, 57.97 90.06 2.66 52
6 01/14/2020 10:38:44 -68.48,-161.26 90.24 01/14/2020 10:39:55 -68.48,-161.14 90.25 5.03 71
7 01/14/2020 11:29:27 68.31, 6.26 89.59 01/14/2020 11:29:23 68.32, 6.31 89.59 1.99 4
8 01/14/2020 12:20:07 -68.11, 173.83 90.63 01/14/2020 12:18:54 -68.15, 173.74 90.59 5.68 73
9 01/17/2020 02:55:35 -68.37, -45.34 90.84 01/17/2020 02:56:25 -68.39, -45.37 90.83 2.39 50
10 01/17/2020 03:46:19 68.26, 122.11 89.04 01/17/2020 03:45:52 68.27, 122.14 89.06 2.15 27
11 01/17/2020 04:36:45 -67.30, -69.40 91.95 01/17/2020 04:35:37 -67.33, -71.31 91.87 82.26 68
12 01/19/2020 18:22:03 69.38, -98.25 89.68 01/19/2020 18:23:09 69.28, -95.99 89.52 89.18 66
13 01/19/2020 19:12:28 -68.37, 70.44 91.38 01/19/2020 19:12:54 -68.34, 70.46 91.41 2.65 26
14 01/19/2020 20:03:11 68.21,-122.05 88.45 01/19/2020 20:02:21 68.23,-122.03 88.48 2.41 50

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 1/8/2020
SNOs_Map_NPP_TERRA_20200108.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 01/08/2020 in txt file.

Historical Predictions of SNOs between NPP and TERRA

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service