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: 1/10/2020
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 -69.32, 81.81 88.93 01/11/2020 18:23:14 -69.20, 83.88 89.11 82.89 67
2 01/11/2020 19:12:34 68.30,-109.50 90.01 01/11/2020 19:12:55 68.32,-109.57 90.03 3.53 21
3 01/11/2020 20:03:16 -68.21, 57.93 90.09 01/11/2020 20:02:25 -68.20, 57.92 90.10 1.23 51
4 01/14/2020 10:38:44 -68.47,-161.25 90.26 01/14/2020 10:39:56 -68.45,-161.18 90.28 3.37 72
5 01/14/2020 11:29:27 68.30, 6.28 89.57 01/14/2020 11:29:24 68.29, 6.27 89.56 1.16 3
6 01/14/2020 12:20:08 -68.15, 173.78 90.59 01/14/2020 12:18:54 -68.18, 173.77 90.56 2.52 74
7 01/17/2020 02:55:36 -68.41, -45.39 90.80 01/17/2020 02:56:25 -68.42, -45.33 90.80 2.95 49
8 01/17/2020 03:46:19 68.24, 122.13 89.03 01/17/2020 03:45:53 68.26, 122.12 89.04 1.34 26
9 01/17/2020 04:36:45 -67.29, -69.38 91.97 01/17/2020 04:35:37 -67.36, -71.27 91.84 81.65 68
10 01/19/2020 18:22:02 69.36, -98.23 89.66 01/19/2020 18:23:09 69.27, -96.00 89.51 87.83 67
11 01/19/2020 19:12:27 -68.35, 70.46 91.40 01/19/2020 19:12:54 -68.33, 70.45 91.42 2.08 27
12 01/19/2020 20:03:10 68.19,-122.03 88.44 01/19/2020 20:02:21 68.22,-122.04 88.47 3.30 49
13 01/22/2020 10:38:40 68.56, 18.65 88.25 01/22/2020 10:39:51 68.51, 18.91 88.19 12.06 71
14 01/22/2020 11:29:19 -68.30,-173.69 92.03 01/22/2020 11:29:23 -68.30,-173.71 92.03 0.72 4
15 01/22/2020 12:20:03 68.19, -6.25 87.86 01/22/2020 12:18:50 68.18, -6.21 87.85 2.18 73

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 1/10/2020
SNOs_Map_NPP_TERRA_20200110.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 01/10/2020 in txt file.

Historical Predictions of SNOs between NPP and TERRA

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service