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: 9/3/2017
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 09/05/2017 02:56:30 -68.42, -45.51 118.47 09/05/2017 02:57:20 -68.41, -45.49 118.48 0.75 50
2 09/05/2017 03:47:14 68.29, 121.96 61.42 09/05/2017 03:46:47 68.30, 122.02 61.43 2.88 27
3 09/05/2017 04:37:40 -67.34, -69.55 119.52 09/05/2017 04:36:32 -67.36, -71.43 119.50 80.81 68
4 09/07/2017 18:23:00 69.30, -98.26 63.42 09/07/2017 18:24:07 69.18, -96.29 63.28 79.08 67
5 09/07/2017 19:13:26 -68.35, 70.34 117.53 09/07/2017 19:13:50 -68.34, 70.30 117.55 1.81 24
6 09/07/2017 20:04:09 68.23,-122.20 62.36 09/07/2017 20:03:16 68.23,-122.18 62.36 0.60 53
7 09/10/2017 10:39:40 68.44, 18.67 63.55 09/10/2017 10:40:48 68.42, 18.65 63.53 2.33 68
8 09/10/2017 11:30:21 -68.29,-173.82 116.58 09/10/2017 11:30:18 -68.32,-173.85 116.56 2.72 3
9 09/10/2017 12:21:01 67.96, -6.08 63.10 09/10/2017 12:19:49 67.98, -6.60 63.12 21.72 72
10 09/13/2017 02:56:36 68.38, 134.51 64.52 09/13/2017 02:57:17 68.38, 134.47 64.51 1.86 41
11 09/13/2017 03:47:18 -68.29, -58.05 115.57 09/13/2017 03:46:47 -68.27, -58.02 115.59 2.24 31
12 09/15/2017 18:23:00 -69.09, 82.03 113.76 09/15/2017 18:24:09 -68.99, 83.47 113.86 58.32 69
13 09/15/2017 19:13:33 68.38,-109.72 65.54 09/15/2017 19:13:45 68.37,-109.65 65.53 3.06 12
14 09/15/2017 20:04:14 -68.23, 57.79 114.60 09/15/2017 20:03:16 -68.21, 57.79 114.62 2.24 58

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 9/3/2017
SNOs_Map_NPP_TERRA_20170903.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 09/03/2017 in txt file.

Historical Predictions of SNOs between NPP and TERRA

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service