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: 8/16/2017
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 08/17/2017 10:39:30 -68.94,-161.93 124.42 08/17/2017 10:40:40 -68.87,-160.79 124.52 46.30 70
2 08/17/2017 11:30:05 68.34, 6.17 54.98 08/17/2017 11:30:15 68.32, 6.18 54.95 2.54 10
3 08/17/2017 12:20:46 -68.19, 173.68 125.17 08/17/2017 12:19:45 -68.20, 173.68 125.15 1.54 61
4 08/20/2017 02:56:18 -68.43, -45.49 124.07 08/20/2017 02:57:17 -68.45, -45.43 124.06 3.61 59
5 08/20/2017 03:47:01 68.26, 122.03 55.77 08/20/2017 03:46:45 68.29, 122.02 55.80 3.03 16
6 08/20/2017 04:37:34 -67.68, -69.92 124.82 08/20/2017 04:36:23 -67.73, -71.00 124.74 45.69 71
7 08/22/2017 19:13:14 -68.35, 70.37 123.26 08/22/2017 19:13:48 -68.36, 70.34 123.26 1.56 34
8 08/22/2017 20:03:58 68.24,-122.17 56.64 08/22/2017 20:03:15 68.25,-122.15 56.65 1.56 43
9 08/25/2017 10:39:33 68.70, 18.36 58.00 08/25/2017 10:40:44 68.59, 18.86 57.88 23.94 71
10 08/25/2017 11:30:10 -68.33,-173.84 122.37 08/25/2017 11:30:17 -68.32,-173.84 122.39 1.95 7
11 08/25/2017 12:20:54 68.22, -6.39 57.54 08/25/2017 12:19:44 68.20, -6.33 57.52 3.22 70
12 08/28/2017 02:56:25 68.42, 134.50 58.64 08/28/2017 02:57:16 68.42, 134.53 58.64 1.11 51
13 08/28/2017 03:47:06 -68.26, -57.98 121.51 08/28/2017 03:46:47 -68.26, -58.03 121.51 2.23 19
14 08/28/2017 04:37:35 67.34, 110.47 57.58 08/28/2017 04:36:27 67.41, 108.64 57.67 78.39 68
15 08/30/2017 18:22:56 -69.46, 81.52 119.35 08/30/2017 18:24:02 -69.40, 84.01 119.44 97.49 66

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 8/16/2017
SNOs_Map_NPP_TERRA_20170817.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 08/16/2017 in txt file.

Historical Predictions of SNOs between NPP and TERRA

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service