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: 9/1/2017
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 09/02/2017 10:39:37 -68.63,-161.55 119.24 09/02/2017 10:40:49 -68.54,-161.21 119.33 16.63 72
2 09/02/2017 11:30:18 68.34, 6.13 60.49 09/02/2017 11:30:18 68.33, 6.17 60.47 2.72 0
3 09/02/2017 12:20:59 -68.20, 173.63 119.65 09/02/2017 12:19:48 -68.21, 173.67 119.63 2.24 71
4 09/05/2017 02:56:30 -68.40, -45.49 118.48 09/05/2017 02:57:21 -68.41, -45.49 118.48 1.18 51
5 09/05/2017 03:47:14 68.28, 121.97 61.41 09/05/2017 03:46:48 68.30, 122.02 61.43 3.20 26
6 09/05/2017 04:37:40 -67.33, -69.53 119.54 09/05/2017 04:36:32 -67.41, -71.37 119.44 79.37 68
7 09/07/2017 18:23:00 69.34, -98.32 63.46 09/07/2017 18:24:07 69.23, -96.23 63.33 83.45 67
8 09/07/2017 19:13:25 -68.34, 70.36 117.55 09/07/2017 19:13:51 -68.34, 70.30 117.55 2.49 26
9 09/07/2017 20:04:09 68.22,-122.18 62.35 09/07/2017 20:03:18 68.23,-122.19 62.36 1.26 51
10 09/10/2017 10:39:40 68.43, 18.69 63.54 09/10/2017 10:40:51 68.44, 18.65 63.55 1.82 71
11 09/10/2017 11:30:22 -68.33,-173.87 116.54 09/10/2017 11:30:21 -68.33,-173.84 116.55 1.25 1
12 09/10/2017 12:21:03 68.05, -6.21 63.19 09/10/2017 12:19:50 68.11, -6.46 63.25 12.23 73
13 09/13/2017 02:56:37 68.43, 134.46 64.56 09/13/2017 02:57:21 68.43, 134.52 64.56 2.68 44
14 09/13/2017 03:47:18 -68.28, -58.03 115.58 09/13/2017 03:46:52 -68.28, -58.04 115.58 0.26 26

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 9/1/2017
SNOs_Map_NPP_TERRA_20170901.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 09/01/2017 in txt file.

Historical Predictions of SNOs between NPP and TERRA

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service