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: 6/23/2017
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 06/25/2017 02:55:56 68.38, 134.62 44.90 06/25/2017 02:56:55 68.38, 134.60 44.90 1.08 59
2 06/25/2017 03:46:37 -68.25, -57.90 135.23 06/25/2017 03:46:25 -68.28, -57.89 135.20 3.37 12
3 06/25/2017 04:37:11 67.57, 110.25 44.08 06/25/2017 04:36:01 67.66, 109.03 44.19 52.51 70
4 06/27/2017 19:12:50 68.34,-109.55 44.96 06/27/2017 19:13:24 68.36,-109.54 44.98 2.87 34
5 06/27/2017 20:03:31 -68.21, 57.93 135.18 06/27/2017 20:02:55 -68.21, 57.91 135.17 0.89 36
6 06/30/2017 10:39:09 -68.91,-161.85 134.31 06/30/2017 10:40:20 -68.79,-160.78 134.46 44.82 71
7 06/30/2017 11:29:44 68.30, 6.27 45.07 06/30/2017 11:29:54 68.28, 6.24 45.04 2.59 10
8 06/30/2017 12:20:25 -68.17, 173.76 135.07 06/30/2017 12:19:24 -68.18, 173.76 135.05 1.75 61
9 07/03/2017 02:55:53 -68.39, -45.38 134.65 07/03/2017 02:56:55 -68.37, -45.42 134.68 2.66 62
10 07/03/2017 03:46:37 68.26, 122.09 45.23 07/03/2017 03:46:22 68.24, 122.08 45.21 2.07 15
11 07/03/2017 04:37:10 -67.70, -69.88 135.35 07/03/2017 04:35:59 -67.76, -70.86 135.27 41.69 71
12 07/05/2017 19:12:47 -68.35, 70.45 134.45 07/05/2017 19:13:24 -68.33, 70.41 134.47 2.53 37
13 07/05/2017 20:03:31 68.23,-122.09 45.43 07/05/2017 20:02:51 68.20,-122.09 45.41 2.67 40

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 6/23/2017
SNOs_Map_NPP_TERRA_20170624.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 06/23/2017 in txt file.

Historical Predictions of SNOs between NPP and TERRA

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service