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: 12/8/2017
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 12/10/2017 02:06:06 69.21, 146.05 92.02 12/10/2017 02:07:14 69.13, 147.93 91.94 74.86 68
2 12/10/2017 02:56:33 -68.31, -45.42 88.89 12/10/2017 02:56:57 -68.30, -45.48 88.91 2.81 24
3 12/10/2017 03:47:17 68.20, 122.02 91.01 12/10/2017 03:46:24 68.18, 122.03 90.99 1.77 53
4 12/12/2017 18:22:45 68.39, -97.07 91.40 12/12/2017 18:23:54 68.40, -97.10 91.41 1.80 69
5 12/12/2017 19:13:26 -68.29, 70.38 88.71 12/12/2017 19:13:23 -68.29, 70.40 88.70 1.25 3
6 12/12/2017 20:04:06 67.96,-121.91 90.98 12/12/2017 20:02:53 68.01,-122.28 91.02 16.62 73
7 12/15/2017 10:39:38 68.36, 18.73 91.53 12/15/2017 10:40:20 68.37, 18.76 91.54 1.18 42
8 12/15/2017 11:30:19 -68.20,-173.75 88.63 12/15/2017 11:29:51 -68.21,-173.81 88.63 2.43 28
9 12/18/2017 02:06:01 -69.13, -33.83 87.60 12/18/2017 02:07:10 -68.98, -32.23 87.75 65.72 69
10 12/18/2017 02:56:32 68.34, 134.54 91.61 12/18/2017 02:56:47 68.31, 134.58 91.58 3.18 15
11 12/18/2017 03:47:13 -68.17, -57.94 88.56 12/18/2017 03:46:18 -68.15, -57.98 88.59 3.22 55
12 12/20/2017 18:22:42 -68.40, 82.91 88.28 12/20/2017 18:23:46 -68.40, 82.94 88.29 1.14 64
13 12/20/2017 19:13:25 68.25,-109.58 91.57 12/20/2017 19:13:14 68.23,-109.62 91.55 2.90 11
14 12/20/2017 20:04:01 -67.82, 58.28 88.87 12/20/2017 20:02:49 -67.84, 57.56 88.84 30.24 72

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 12/8/2017
SNOs_Map_NPP_TERRA_20171208.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 12/08/2017 in txt file.

Historical Predictions of SNOs between NPP and TERRA

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service