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: 7/17/2019
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 07/17/2019 03:47:09 -68.22, -58.00 133.12 07/17/2019 03:46:18 -68.23, -57.95 133.11 2.50 51
2 07/19/2019 18:22:39 -68.43, 82.86 132.44 07/19/2019 18:23:51 -68.41, 82.87 132.47 2.26 72
3 07/19/2019 19:13:23 68.30,-109.65 47.43 07/19/2019 19:13:18 68.29,-109.63 47.43 1.11 5
4 07/19/2019 20:04:02 -68.06, 57.97 132.81 07/19/2019 20:02:50 -68.08, 57.76 132.78 9.03 72
5 07/22/2019 10:39:33 -68.39,-161.30 131.97 07/22/2019 10:40:20 -68.39,-161.28 131.98 1.02 47
6 07/22/2019 11:30:17 68.25, 6.17 47.90 07/22/2019 11:29:47 68.27, 6.22 47.91 2.50 30
7 07/22/2019 12:20:41 -67.21, 174.78 133.17 07/22/2019 12:19:34 -67.22, 172.66 133.10 91.32 67
8 07/25/2019 02:06:01 69.23, 146.01 49.44 07/25/2019 02:07:09 69.08, 147.83 49.25 73.49 68
9 07/25/2019 02:56:28 -68.34, -45.47 131.47 07/25/2019 02:56:51 -68.32, -45.49 131.49 2.12 23
10 07/25/2019 03:47:12 68.21, 122.00 48.41 07/25/2019 03:46:18 68.20, 122.01 48.40 1.57 54
11 07/27/2019 18:22:42 68.44, -97.14 49.21 07/27/2019 18:23:51 68.41, -97.14 49.18 2.56 69
12 07/27/2019 19:13:23 -68.30, 70.35 130.93 07/27/2019 19:13:21 -68.32, 70.38 130.90 3.01 2
13 07/27/2019 20:04:03 67.95,-121.91 48.74 07/27/2019 20:02:51 68.03,-122.32 48.82 18.91 72
14 07/30/2019 10:39:37 68.40, 18.68 49.80 07/30/2019 10:40:22 68.36, 18.68 49.76 3.53 45
15 07/30/2019 11:30:18 -68.25,-173.82 130.34 07/30/2019 11:29:52 -68.27,-173.80 130.32 2.55 26

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 7/17/2019
SNOs_Map_NPP_TERRA_20190717.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 07/17/2019 in txt file.

Historical Predictions of SNOs between NPP and TERRA

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service