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: 10/3/2017
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 10/04/2017 10:39:50 -68.45,-161.28 107.15 10/04/2017 10:40:43 -68.45,-161.34 107.15 2.40 53
2 10/04/2017 11:30:34 68.31, 6.21 72.73 10/04/2017 11:30:10 68.34, 6.17 72.75 3.21 24
3 10/04/2017 12:21:02 -67.48, 174.55 108.08 10/04/2017 12:19:53 -67.50, 172.84 108.08 72.72 69
4 10/07/2017 02:06:20 69.41, 145.86 74.82 10/07/2017 02:07:27 69.32, 148.01 74.76 84.85 67
5 10/07/2017 02:56:45 -68.42, -45.48 106.15 10/07/2017 02:57:11 -68.44, -45.47 106.13 1.84 26
6 10/07/2017 03:47:29 68.29, 122.00 73.74 10/07/2017 03:46:39 68.26, 121.97 73.71 2.65 50
7 10/09/2017 18:22:59 68.53, -97.17 74.97 10/09/2017 18:24:09 68.52, -97.12 74.97 2.37 70
8 10/09/2017 19:13:39 -68.34, 70.38 105.20 10/09/2017 19:13:40 -68.36, 70.32 105.19 3.33 1
9 10/09/2017 20:04:21 68.10,-122.00 74.58 10/09/2017 20:03:09 68.13,-122.31 74.60 13.09 72
10 10/12/2017 10:39:53 68.45, 18.69 75.91 10/12/2017 10:40:38 68.44, 18.66 75.89 2.10 45
11 10/12/2017 11:30:34 -68.32,-173.82 104.22 10/12/2017 11:30:08 -68.34,-173.83 104.20 1.71 26
12 10/15/2017 02:06:17 -69.31, -34.02 102.26 10/15/2017 02:07:25 -69.24, -32.08 102.30 76.48 68
13 10/15/2017 02:56:46 68.38, 134.54 76.84 10/15/2017 02:57:05 68.40, 134.50 76.86 2.69 19
14 10/15/2017 03:47:28 -68.30, -58.03 103.24 10/15/2017 03:46:35 -68.30, -57.98 103.24 2.14 53

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 10/3/2017
SNOs_Map_NPP_TERRA_20171003.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 10/03/2017 in txt file.

Historical Predictions of SNOs between NPP and TERRA

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service