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: 10/23/2019
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 10/23/2019 18:22:37 -68.49, 82.90 100.12 10/23/2019 18:23:33 -68.47, 82.90 100.14 1.83 56
2 10/23/2019 19:13:21 68.36,-109.62 79.77 10/23/2019 19:13:00 68.35,-109.59 79.76 1.21 21
3 10/23/2019 20:03:50 -67.58, 58.66 100.99 10/23/2019 20:02:41 -67.64, 57.20 100.96 62.21 69
4 10/26/2019 10:39:30 -68.41,-161.24 99.27 10/26/2019 10:40:03 -68.42,-161.28 99.26 1.95 33
5 10/26/2019 11:30:14 68.28, 6.24 80.62 10/26/2019 11:29:30 68.30, 6.22 80.64 2.05 44
6 10/29/2019 02:05:48 68.80, 146.70 82.01 10/29/2019 02:06:59 68.69, 147.30 81.92 26.94 71
7 10/29/2019 02:56:24 -68.40, -45.45 98.38 10/29/2019 02:56:33 -68.37, -45.46 98.40 2.84 9
8 10/29/2019 03:47:08 68.27, 122.02 81.52 10/29/2019 03:46:00 68.25, 122.04 81.49 2.49 68
9 10/31/2019 18:22:36 68.47, -97.09 82.56 10/31/2019 18:23:32 68.47, -97.10 82.57 0.41 56
10 10/31/2019 19:13:17 -68.33, 70.41 97.56 10/31/2019 19:13:03 -68.32, 70.36 97.58 2.40 14
11 10/31/2019 20:03:49 67.56,-121.32 81.70 10/31/2019 20:02:40 67.63,-122.80 81.74 63.18 69
12 11/03/2019 10:39:28 68.41, 18.76 83.36 11/03/2019 10:40:01 68.41, 18.71 83.36 2.13 33
13 11/03/2019 11:30:10 -68.32,-173.81 96.72 11/03/2019 11:29:31 -68.32,-173.76 96.72 1.94 39
14 11/06/2019 02:05:47 -69.00, -33.57 95.25 11/06/2019 02:06:57 -68.87, -32.49 95.36 45.69 70
15 11/06/2019 02:56:22 68.40, 134.54 84.17 11/06/2019 02:56:30 68.41, 134.59 84.18 2.28 8

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 10/23/2019
SNOs_Map_NPP_TERRA_20191023.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 10/23/2019 in txt file.

Historical Predictions of SNOs between NPP and TERRA

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service