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: 11/6/2017
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 11/08/2017 02:06:14 69.17, 146.12 85.65 11/08/2017 02:07:23 69.06, 147.78 85.57 66.92 69
2 11/08/2017 02:56:42 -68.34, -45.45 95.16 11/08/2017 02:57:04 -68.33, -45.49 95.17 1.89 22
3 11/08/2017 03:47:26 68.21, 122.03 84.73 11/08/2017 03:46:31 68.23, 122.03 84.74 1.51 55
4 11/10/2017 18:22:55 68.44, -97.12 85.69 11/10/2017 18:24:02 68.46, -97.08 85.72 3.30 67
5 11/10/2017 19:13:36 -68.30, 70.38 94.44 11/10/2017 19:13:33 -68.30, 70.36 94.45 0.85 3
6 11/10/2017 20:04:16 67.96,-121.88 85.24 11/10/2017 20:03:03 68.02,-122.33 85.28 19.88 73
7 11/13/2017 10:39:49 68.40, 18.70 86.37 11/13/2017 10:40:31 68.40, 18.73 86.37 1.41 42
8 11/13/2017 11:30:30 -68.26,-173.80 93.76 11/13/2017 11:30:02 -68.24,-173.83 93.79 2.60 28
9 11/16/2017 02:06:12 -69.23, -33.96 92.13 11/16/2017 02:07:20 -69.09, -32.16 92.24 73.08 68
10 11/16/2017 02:56:41 68.31, 134.58 86.97 11/16/2017 02:56:59 68.31, 134.51 86.97 2.64 18
11 11/16/2017 03:47:23 -68.22, -57.99 93.11 11/16/2017 03:46:29 -68.21, -57.98 93.13 1.59 54
12 11/18/2017 18:22:52 -68.45, 82.86 92.26 11/18/2017 18:23:59 -68.43, 82.90 92.28 2.65 67
13 11/18/2017 19:13:35 68.28,-109.61 87.59 11/18/2017 19:13:26 68.31,-109.60 87.61 3.08 9
14 11/18/2017 20:04:12 -67.92, 58.16 92.77 11/18/2017 20:03:00 -67.99, 57.65 92.71 22.57 72

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 11/6/2017
SNOs_Map_NPP_TERRA_20171106.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 11/06/2017 in txt file.

Historical Predictions of SNOs between NPP and TERRA

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service