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: 12/6/2017
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 12/07/2017 10:39:40 -68.40,-161.31 89.07 12/07/2017 10:40:28 -68.39,-161.26 89.08 2.45 48
2 12/07/2017 11:30:23 68.23, 6.22 90.77 12/07/2017 11:29:56 68.22, 6.19 90.76 1.42 27
3 12/07/2017 12:20:48 -67.22, 174.76 90.23 12/07/2017 12:19:41 -67.27, 172.73 90.20 87.50 67
4 12/10/2017 02:06:07 69.29, 145.94 92.09 12/10/2017 02:07:14 69.16, 147.97 91.97 80.90 67
5 12/10/2017 02:56:33 -68.33, -45.45 88.87 12/10/2017 02:56:57 -68.33, -45.44 88.87 0.54 24
6 12/10/2017 03:47:16 68.17, 122.07 90.97 12/10/2017 03:46:25 68.16, 122.00 90.97 2.68 51
7 12/12/2017 18:22:45 68.42, -97.11 91.43 12/12/2017 18:23:55 68.44, -97.06 91.45 2.61 70
8 12/12/2017 19:13:26 -68.27, 70.40 88.72 12/12/2017 19:13:26 -68.27, 70.37 88.72 1.13 0
9 12/12/2017 20:04:07 68.00,-121.95 91.01 12/12/2017 20:02:55 68.05,-122.25 91.06 13.67 72
10 12/15/2017 10:39:37 68.36, 18.73 91.53 12/15/2017 10:40:23 68.37, 18.75 91.54 1.18 46
11 12/15/2017 11:30:18 -68.21,-173.75 88.63 12/15/2017 11:29:54 -68.21,-173.81 88.63 2.66 24
12 12/15/2017 12:20:44 67.13, -5.13 90.30 12/15/2017 12:19:37 67.20, -7.32 90.37 95.18 67
13 12/18/2017 02:06:03 -69.32, -34.09 87.41 12/18/2017 02:07:10 -69.25, -31.90 87.48 86.41 67
14 12/18/2017 02:56:30 68.31, 134.58 91.58 12/18/2017 02:56:52 68.31, 134.55 91.58 1.01 22
15 12/18/2017 03:47:12 -68.20, -57.97 88.53 12/18/2017 03:46:22 -68.20, -57.94 88.53 1.38 50

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 12/6/2017
SNOs_Map_NPP_TERRA_20171206.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 12/06/2017 in txt file.

Historical Predictions of SNOs between NPP and TERRA

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service