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: 6/30/2017
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 07/03/2017 02:55:53 -68.39, -45.38 134.65 07/03/2017 02:56:56 -68.40, -45.38 134.64 1.15 63
2 07/03/2017 03:46:37 68.26, 122.10 45.22 07/03/2017 03:46:24 68.23, 122.06 45.19 3.30 13
3 07/03/2017 04:37:11 -67.75, -69.95 135.29 07/03/2017 04:36:00 -67.80, -70.82 135.23 36.75 71
4 07/05/2017 19:12:47 -68.35, 70.44 134.44 07/05/2017 19:13:27 -68.36, 70.44 134.44 0.67 40
5 07/05/2017 20:03:31 68.22,-122.09 45.43 07/05/2017 20:02:54 68.24,-122.05 45.45 2.44 37
6 07/08/2017 10:39:10 68.99, 18.05 46.51 07/08/2017 10:40:20 68.89, 19.34 46.37 52.92 70
7 07/08/2017 11:29:41 -68.32,-173.74 134.19 07/08/2017 11:29:59 -68.30,-173.76 134.21 2.64 18
8 07/08/2017 12:20:25 68.19, -6.27 45.69 07/08/2017 12:19:26 68.18, -6.26 45.68 1.92 59
9 07/11/2017 02:55:54 68.43, 134.58 46.26 07/11/2017 02:57:00 68.42, 134.62 46.24 2.08 66
10 07/11/2017 03:46:35 -68.29, -57.92 133.88 07/11/2017 03:46:31 -68.27, -57.93 133.90 2.06 4
11 07/11/2017 04:37:13 67.90, 109.88 45.72 07/11/2017 04:36:01 67.92, 109.31 45.77 24.06 72
12 07/13/2017 19:12:46 68.35,-109.54 46.56 07/13/2017 19:13:32 68.36,-109.58 46.57 2.34 46
13 07/13/2017 20:03:28 -68.25, 57.90 133.54 07/13/2017 20:03:02 -68.27, 57.94 133.52 2.68 26
14 07/13/2017 20:53:53 67.11,-133.40 45.30 07/13/2017 20:52:47 67.14,-135.70 45.39 99.59 66

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 6/30/2017
SNOs_Map_NPP_TERRA_20170701.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 06/30/2017 in txt file.

Historical Predictions of SNOs between NPP and TERRA

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service