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: 4/24/2020
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 04/24/2020 19:12:46 -68.33, 70.37 125.00 04/24/2020 19:13:24 -68.35, 70.40 124.98 2.54 38
2 04/24/2020 20:03:30 68.20,-122.16 54.87 04/24/2020 20:02:52 68.18,-122.15 54.85 2.17 38
3 04/27/2020 10:39:06 68.78, 18.23 54.62 04/27/2020 10:40:17 68.67, 19.06 54.50 35.56 71
4 04/27/2020 11:29:40 -68.26,-173.78 125.92 04/27/2020 11:29:52 -68.28,-173.78 125.90 2.22 12
5 04/27/2020 12:20:24 68.14, -6.31 53.95 04/27/2020 12:19:20 68.11, -6.34 53.92 3.21 64
6 04/30/2020 02:55:52 68.35, 134.57 53.35 04/30/2020 02:56:49 68.32, 134.52 53.32 3.47 57
7 04/30/2020 03:46:33 -68.20, -57.93 126.81 04/30/2020 03:46:19 -68.22, -57.97 126.80 2.46 14
8 04/30/2020 04:37:06 67.49, 110.27 52.46 04/30/2020 04:35:56 67.54, 108.89 52.52 58.79 70
9 05/02/2020 19:12:46 68.29,-109.59 52.49 05/02/2020 19:13:16 68.30,-109.61 52.50 1.66 30
10 05/02/2020 20:03:28 -68.20, 57.85 127.62 05/02/2020 20:02:46 -68.20, 57.90 127.62 1.96 42
11 05/05/2020 10:39:02 -68.67,-161.62 127.89 05/05/2020 10:40:13 -68.57,-161.04 128.00 25.94 71
12 05/05/2020 11:29:40 68.24, 6.26 51.66 05/05/2020 11:29:44 68.23, 6.19 51.65 2.99 4
13 05/05/2020 12:20:22 -68.14, 173.70 128.45 05/05/2020 12:19:14 -68.13, 173.70 128.47 1.73 68
14 05/08/2020 02:55:51 -68.35, -45.42 128.96 05/08/2020 02:56:44 -68.33, -45.45 128.99 2.96 53
15 05/08/2020 03:46:34 68.19, 122.09 50.87 05/08/2020 03:46:11 68.20, 122.05 50.89 2.28 23

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 4/24/2020
SNOs_Map_NPP_TERRA_20200424.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 04/24/2020 in txt file.

Historical Predictions of SNOs between NPP and TERRA

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service