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: 11/14/2017
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 11/16/2017 02:06:15 -69.35, -34.14 92.01 11/16/2017 02:07:22 -69.23, -32.01 92.10 84.90 67
2 11/16/2017 02:56:42 68.32, 134.57 86.98 11/16/2017 02:57:03 68.34, 134.52 87.00 2.77 21
3 11/16/2017 03:47:24 -68.24, -58.01 93.10 11/16/2017 03:46:33 -68.23, -57.97 93.10 1.68 51
4 11/18/2017 18:22:52 -68.47, 82.84 92.24 11/18/2017 18:24:04 -68.43, 82.88 92.27 3.74 72
5 11/18/2017 19:13:35 68.29,-109.63 87.60 11/18/2017 19:13:31 68.32,-109.62 87.62 3.08 4
6 11/18/2017 20:04:15 -68.10, 57.94 92.59 11/18/2017 20:03:03 -68.10, 57.76 92.59 7.47 72
7 11/21/2017 10:39:45 -68.38,-161.28 91.72 11/21/2017 10:40:33 -68.41,-161.27 91.70 3.06 48
8 11/21/2017 11:30:29 68.26, 6.18 88.17 11/21/2017 11:30:01 68.23, 6.17 88.14 3.39 28
9 11/21/2017 12:20:54 -67.26, 174.73 92.81 11/21/2017 12:19:46 -67.29, 172.72 92.81 86.33 68
10 11/24/2017 02:06:12 69.25, 146.00 89.70 11/24/2017 02:07:20 69.14, 147.90 89.61 76.29 68
11 11/24/2017 02:56:39 -68.35, -45.47 91.19 11/24/2017 02:57:02 -68.37, -45.43 91.17 3.01 23
12 11/24/2017 03:47:22 68.19, 122.05 88.66 11/24/2017 03:46:30 68.20, 122.01 88.66 2.03 52
13 11/26/2017 18:22:51 68.43, -97.12 89.39 11/26/2017 18:24:01 68.43, -97.11 89.40 0.58 70
14 11/26/2017 19:13:32 -68.27, 70.40 90.76 11/26/2017 19:13:32 -68.27, 70.34 90.76 2.31 0
15 11/26/2017 20:04:13 68.00,-121.95 88.99 11/26/2017 20:03:01 68.04,-122.29 89.02 14.68 72

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 11/14/2017
SNOs_Map_NPP_TERRA_20171114.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 11/14/2017 in txt file.

Historical Predictions of SNOs between NPP and TERRA

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service