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: 1/11/2020
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 01/11/2020 18:22:07 -69.33, 81.81 88.93 01/11/2020 18:23:14 -69.20, 83.89 89.10 83.07 67
2 01/11/2020 19:12:35 68.35,-109.57 90.07 01/11/2020 19:12:55 68.33,-109.56 90.04 3.03 20
3 01/11/2020 20:03:16 -68.21, 57.93 90.09 01/11/2020 20:02:25 -68.21, 57.93 90.09 0.63 51
4 01/14/2020 10:38:45 -68.52,-161.32 90.20 01/14/2020 10:39:56 -68.47,-161.15 90.26 8.65 71
5 01/14/2020 11:29:27 68.30, 6.28 89.57 01/14/2020 11:29:24 68.31, 6.30 89.58 1.98 3
6 01/14/2020 12:20:08 -68.15, 173.78 90.59 01/14/2020 12:18:55 -68.14, 173.73 90.59 2.34 73
7 01/17/2020 02:55:36 -68.41, -45.40 90.80 01/17/2020 02:56:26 -68.42, -45.34 90.80 2.39 50
8 01/17/2020 03:46:19 68.24, 122.13 89.03 01/17/2020 03:45:54 68.25, 122.11 89.04 1.09 25
9 01/17/2020 04:36:46 -67.34, -69.45 91.91 01/17/2020 04:35:38 -67.36, -71.28 91.84 78.65 68
10 01/19/2020 18:22:03 69.42, -98.31 89.72 01/19/2020 18:23:09 69.36, -95.89 89.60 94.59 66
11 01/19/2020 19:12:27 -68.36, 70.45 91.39 01/19/2020 19:12:55 -68.37, 70.48 91.39 1.56 28
12 01/19/2020 20:03:10 68.19,-122.03 88.44 01/19/2020 20:02:23 68.20,-122.08 88.45 2.03 47
13 01/22/2020 10:38:41 68.62, 18.57 88.31 01/22/2020 10:39:53 68.54, 18.93 88.21 17.30 72
14 01/22/2020 11:29:19 -68.30,-173.70 92.03 01/22/2020 11:29:25 -68.32,-173.69 92.01 2.18 6
15 01/22/2020 12:20:02 68.14, -6.19 87.80 01/22/2020 12:18:53 68.15, -6.25 87.82 2.89 69

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 1/11/2020
SNOs_Map_NPP_TERRA_20200111.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 01/11/2020 in txt file.

Historical Predictions of SNOs between NPP and TERRA

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service