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: 7/4/2019
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 07/06/2019 10:39:30 -68.40,-161.32 134.38 07/06/2019 10:40:22 -68.40,-161.27 134.39 1.87 52
2 07/06/2019 11:30:13 68.21, 6.24 45.43 07/06/2019 11:29:50 68.22, 6.17 45.45 3.31 23
3 07/06/2019 12:20:41 -67.38, 174.57 135.42 07/06/2019 12:19:32 -67.45, 172.91 135.30 71.45 69
4 07/09/2019 02:05:59 69.33, 145.87 46.88 07/09/2019 02:07:06 69.24, 148.04 46.73 85.96 67
5 07/09/2019 02:56:24 -68.34, -45.48 134.14 07/09/2019 02:56:50 -68.36, -45.43 134.13 2.43 26
6 07/09/2019 03:47:08 68.21, 122.00 45.73 07/09/2019 03:46:18 68.18, 122.00 45.70 3.03 50
7 07/11/2019 18:22:38 68.42, -97.13 46.28 07/11/2019 18:23:49 68.41, -97.12 46.26 1.37 71
8 07/11/2019 19:13:19 -68.29, 70.36 133.86 07/11/2019 19:13:19 -68.32, 70.40 133.83 3.15 0
9 07/11/2019 20:04:01 68.05,-122.03 45.91 07/11/2019 20:02:48 68.08,-122.24 45.94 9.25 73
10 07/14/2019 10:39:33 68.38, 18.70 46.61 07/14/2019 10:40:18 68.36, 18.70 46.59 1.53 45
11 07/14/2019 11:30:14 -68.24,-173.80 133.52 07/14/2019 11:29:48 -68.27,-173.78 133.50 3.31 26
12 07/17/2019 02:05:59 -69.25, -34.02 132.06 07/17/2019 02:07:07 -69.16, -32.07 132.21 77.93 68
13 07/17/2019 02:56:28 68.33, 134.53 47.00 07/17/2019 02:56:47 68.31, 134.52 46.97 2.53 19
14 07/17/2019 03:47:09 -68.19, -57.97 133.15 07/17/2019 03:46:17 -68.22, -57.96 133.12 2.77 52

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 7/4/2019
SNOs_Map_NPP_TERRA_20190704.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 07/04/2019 in txt file.

Historical Predictions of SNOs between NPP and TERRA

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service