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: 4/14/2017
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 04/16/2017 19:12:47 -68.36, 70.40 122.15 04/16/2017 19:13:21 -68.36, 70.46 122.15 2.42 34
2 04/16/2017 20:03:30 68.19,-122.08 57.67 04/16/2017 20:02:49 68.20,-122.09 57.68 1.33 41
3 04/19/2017 10:39:09 68.89, 18.15 57.47 04/19/2017 10:40:19 68.76, 19.18 57.33 43.74 70
4 04/19/2017 11:29:42 -68.31,-173.77 123.14 04/19/2017 11:29:55 -68.32,-173.73 123.13 2.56 13
5 04/19/2017 12:20:25 68.14, -6.25 56.68 04/19/2017 12:19:23 68.16, -6.28 56.70 2.49 62
6 04/22/2017 02:55:55 68.36, 134.61 56.02 04/22/2017 02:57:01 68.38, 134.56 56.03 3.05 66
7 04/22/2017 03:46:37 -68.26, -57.94 124.10 04/22/2017 03:46:31 -68.28, -57.93 124.08 2.21 6
8 04/22/2017 04:37:15 67.82, 109.92 55.45 04/22/2017 04:36:03 67.89, 109.26 55.52 28.39 72
9 04/24/2017 19:12:51 68.37,-109.63 55.14 04/24/2017 19:13:38 68.38,-109.59 55.15 1.87 47
10 04/24/2017 20:03:32 -68.21, 57.89 125.03 04/24/2017 20:03:09 -68.23, 57.86 125.02 1.68 23
11 04/24/2017 20:53:59 67.19,-133.55 53.93 04/24/2017 20:52:52 67.22,-135.65 53.97 90.46 67
12 04/27/2017 11:29:45 68.33, 6.19 54.24 04/27/2017 11:30:17 68.32, 6.17 54.22 1.74 32
13 04/27/2017 12:20:27 -68.23, 173.64 125.88 04/27/2017 12:19:47 -68.22, 173.69 125.89 2.29 40

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 4/14/2017
SNOs_Map_NPP_TERRA_20170416.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 04/14/2017 in txt file.

Historical Predictions of SNOs between NPP and TERRA

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service