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: 11/16/2017
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 11/18/2017 18:22:52 -68.47, 82.84 92.24 11/18/2017 18:24:04 -68.45, 82.90 92.25 3.14 72
2 11/18/2017 19:13:35 68.29,-109.63 87.60 11/18/2017 19:13:32 68.28,-109.66 87.59 1.61 3
3 11/18/2017 20:04:16 -68.15, 57.87 92.54 11/18/2017 20:03:02 -68.18, 57.85 92.52 2.89 74
4 11/21/2017 10:39:45 -68.38,-161.28 91.72 11/21/2017 10:40:34 -68.39,-161.29 91.71 0.92 49
5 11/21/2017 11:30:29 68.26, 6.18 88.17 11/21/2017 11:30:01 68.28, 6.21 88.18 2.04 28
6 11/21/2017 12:20:54 -67.26, 174.73 92.81 11/21/2017 12:19:46 -67.33, 172.76 92.77 84.66 68
7 11/24/2017 02:06:13 69.30, 145.92 89.75 11/24/2017 02:07:20 69.21, 147.99 89.68 81.97 67
8 11/24/2017 02:56:39 -68.35, -45.48 91.19 11/24/2017 02:57:04 -68.33, -45.49 91.22 2.89 25
9 11/24/2017 03:47:22 68.18, 122.05 88.65 11/24/2017 03:46:31 68.21, 122.02 88.68 3.24 51
10 11/26/2017 18:22:52 68.48, -97.19 89.44 11/26/2017 18:24:02 68.48, -97.06 89.45 5.30 70
11 11/26/2017 19:13:33 -68.33, 70.33 90.70 11/26/2017 19:13:33 -68.32, 70.39 90.71 2.54 0
12 11/26/2017 20:04:14 68.05,-122.02 89.04 11/26/2017 20:03:02 68.09,-122.24 89.07 10.17 72
13 11/29/2017 10:39:44 68.40, 18.68 89.84 11/29/2017 10:40:31 68.41, 18.75 89.85 2.76 47
14 11/29/2017 11:30:25 -68.25,-173.80 90.31 11/29/2017 11:30:02 -68.25,-173.81 90.31 0.67 23
15 11/29/2017 12:20:52 67.22, -5.24 88.68 11/29/2017 12:19:45 67.24, -7.33 88.67 89.97 67

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 11/16/2017
SNOs_Map_NPP_TERRA_20171116.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 11/16/2017 in txt file.

Historical Predictions of SNOs between NPP and TERRA

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service