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: 3/24/2017
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 03/26/2017 10:39:04 -68.95,-161.92 113.49 03/26/2017 10:40:14 -68.85,-160.70 113.62 49.94 70
2 03/26/2017 11:29:38 68.30, 6.25 65.83 03/26/2017 11:29:49 68.29, 6.25 65.81 1.77 11
3 03/26/2017 12:20:19 -68.16, 173.75 114.33 03/26/2017 12:19:19 -68.19, 173.76 114.30 3.13 60
4 03/29/2017 02:55:47 -68.42, -45.43 115.09 03/29/2017 02:56:51 -68.41, -45.37 115.11 2.98 64
5 03/29/2017 03:46:30 68.26, 122.09 64.74 03/29/2017 03:46:19 68.23, 122.06 64.71 3.33 11
6 03/29/2017 04:37:06 -67.84, -70.07 115.71 03/29/2017 04:35:54 -67.85, -70.75 115.68 28.65 72
7 03/31/2017 19:12:38 -68.32, 70.48 116.23 03/31/2017 19:13:21 -68.34, 70.43 116.22 3.16 43
8 03/31/2017 20:03:22 68.21,-122.07 63.65 03/31/2017 20:02:48 68.22,-122.07 63.65 0.68 34
9 04/03/2017 10:39:01 69.07, 17.94 63.53 04/03/2017 10:40:10 68.98, 19.47 63.40 61.91 69
10 04/03/2017 11:29:31 -68.33,-173.74 117.26 04/03/2017 11:29:50 -68.32,-173.71 117.27 1.58 19
11 04/03/2017 12:20:14 68.17, -6.24 62.57 04/03/2017 12:19:18 68.15, -6.27 62.55 3.24 56
12 04/06/2017 02:55:40 68.39, 134.64 61.80 04/06/2017 02:56:48 68.39, 134.63 61.80 0.66 68
13 04/06/2017 03:46:22 -68.28, -57.91 118.33 04/06/2017 03:46:18 -68.30, -57.85 118.31 2.74 4
14 04/06/2017 04:37:01 67.91, 109.87 61.29 04/06/2017 04:35:49 67.95, 109.38 61.34 20.80 72

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 3/24/2017
SNOs_Map_NPP_TERRA_20170326.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 03/24/2017 in txt file.

Historical Predictions of SNOs between NPP and TERRA

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service