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: 7/9/2017
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 07/11/2017 02:55:53 68.38, 134.65 46.21 07/11/2017 02:57:00 68.38, 134.58 46.20 2.56 67
2 07/11/2017 03:46:35 -68.30, -57.93 133.87 07/11/2017 03:46:30 -68.27, -57.91 133.90 3.04 5
3 07/11/2017 04:37:13 67.84, 109.95 45.67 07/11/2017 04:36:01 67.94, 109.34 45.78 27.43 72
4 07/13/2017 19:12:46 68.35,-109.54 46.56 07/13/2017 19:13:31 68.35,-109.57 46.56 1.56 45
5 07/13/2017 20:03:28 -68.26, 57.88 133.52 07/13/2017 20:03:01 -68.25, 57.94 133.54 2.46 27
6 07/16/2017 10:39:14 -69.40,-162.50 131.93 07/16/2017 10:40:21 -69.30,-160.16 132.09 92.46 67
7 07/16/2017 11:29:40 68.32, 6.27 46.96 07/16/2017 11:30:04 68.30, 6.22 46.93 3.30 24
8 07/16/2017 12:20:21 -68.18, 173.77 133.19 07/16/2017 12:19:34 -68.20, 173.74 133.16 2.59 47
9 07/19/2017 02:55:55 -68.68, -45.73 132.22 07/19/2017 02:57:06 -68.60, -45.19 132.31 23.61 71
10 07/19/2017 03:46:34 68.30, 122.08 47.40 07/19/2017 03:46:36 68.31, 122.11 47.42 2.56 2
11 07/19/2017 04:37:15 -68.15, -70.42 132.75 07/19/2017 04:36:07 -68.16, -70.44 132.73 2.04 68
12 07/21/2017 19:12:44 -68.38, 70.43 132.01 07/21/2017 19:13:43 -68.36, 70.39 132.04 2.67 59
13 07/21/2017 20:03:28 68.27,-122.12 47.89 07/21/2017 20:03:10 68.24,-122.11 47.86 3.27 18
14 07/21/2017 20:53:59 -67.58, 46.06 132.82 07/21/2017 20:52:49 -67.65, 44.83 132.72 52.69 70

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 7/9/2017
SNOs_Map_NPP_TERRA_20170710.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 07/09/2017 in txt file.

Historical Predictions of SNOs between NPP and TERRA

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service