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: 7/16/2019
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 02:06:00 -69.33, -34.13 131.97 07/17/2019 02:07:07 -69.23, -31.98 132.14 85.44 67
2 07/17/2019 02:56:28 68.34, 134.52 47.01 07/17/2019 02:56:48 68.34, 134.55 47.00 1.43 20
3 07/17/2019 03:47:09 -68.22, -58.00 133.12 07/17/2019 03:46:18 -68.24, -57.94 133.10 3.21 51
4 07/19/2019 18:22:40 -68.49, 82.80 132.38 07/19/2019 18:23:51 -68.45, 82.91 132.44 6.45 71
5 07/19/2019 19:13:23 68.30,-109.65 47.43 07/19/2019 19:13:19 68.27,-109.65 47.41 2.61 4
6 07/19/2019 20:04:03 -68.12, 57.90 132.75 07/19/2019 20:02:50 -68.12, 57.79 132.74 4.33 73
7 07/22/2019 10:39:33 -68.39,-161.30 131.98 07/22/2019 10:40:21 -68.41,-161.26 131.96 3.24 48
8 07/22/2019 11:30:17 68.25, 6.17 47.90 07/22/2019 11:29:49 68.24, 6.18 47.88 2.01 28
9 07/22/2019 12:20:42 -67.26, 174.71 133.12 07/22/2019 12:19:34 -67.30, 172.74 133.02 85.05 68
10 07/25/2019 02:06:02 69.28, 145.94 49.50 07/25/2019 02:07:10 69.17, 147.92 49.33 79.33 68
11 07/25/2019 02:56:28 -68.34, -45.47 131.47 07/25/2019 02:56:53 -68.35, -45.47 131.47 0.85 25
12 07/25/2019 03:47:12 68.21, 122.00 48.41 07/25/2019 03:46:20 68.23, 122.03 48.42 2.14 52
13 07/27/2019 18:22:43 68.49, -97.21 49.27 07/27/2019 18:23:54 68.46, -97.10 49.23 5.86 71
14 07/27/2019 19:13:23 -68.29, 70.36 130.93 07/27/2019 19:13:25 -68.31, 70.36 130.91 1.81 2
15 07/27/2019 20:04:06 68.12,-122.11 48.90 07/27/2019 20:02:53 68.13,-122.21 48.92 4.48 73

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 7/16/2019
SNOs_Map_NPP_TERRA_20190716.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 07/16/2019 in txt file.

Historical Predictions of SNOs between NPP and TERRA

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service