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: 12/5/2017
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 10:39:39 -68.36,-161.26 89.11 12/07/2017 10:40:28 -68.39,-161.26 89.08 2.96 49
2 12/07/2017 11:30:23 68.25, 6.19 90.79 12/07/2017 11:29:56 68.22, 6.18 90.75 3.38 27
3 12/07/2017 12:20:48 -67.24, 174.74 90.22 12/07/2017 12:19:40 -67.33, 172.80 90.14 84.20 68
4 12/10/2017 02:06:07 69.30, 145.92 92.11 12/10/2017 02:07:14 69.18, 147.99 91.99 82.68 67
5 12/10/2017 02:56:33 -68.35, -45.48 88.85 12/10/2017 02:56:57 -68.35, -45.42 88.85 2.54 24
6 12/10/2017 03:47:16 68.18, 122.04 90.99 12/10/2017 03:46:25 68.18, 122.02 90.98 1.03 51
7 12/12/2017 18:22:45 68.44, -97.14 91.45 12/12/2017 18:23:56 68.43, -97.08 91.44 3.04 71
8 12/12/2017 19:13:26 -68.29, 70.38 88.70 12/12/2017 19:13:27 -68.27, 70.37 88.72 2.03 1
9 12/12/2017 20:04:08 68.07,-122.04 91.09 12/12/2017 20:02:55 68.09,-122.19 91.11 6.95 73
10 12/15/2017 10:39:37 68.33, 18.78 91.50 12/15/2017 10:40:26 68.35, 18.71 91.51 3.30 49
11 12/15/2017 11:30:19 -68.23,-173.77 88.61 12/15/2017 11:29:56 -68.25,-173.78 88.59 2.22 23
12 12/15/2017 12:20:46 67.20, -5.21 90.37 12/15/2017 12:19:39 67.23, -7.29 90.40 89.67 67
13 12/18/2017 02:06:06 -69.44, -34.27 87.28 12/18/2017 02:07:12 -69.34, -31.80 87.39 97.42 66
14 12/18/2017 02:56:30 68.33, 134.55 91.60 12/18/2017 02:56:54 68.33, 134.57 91.60 0.96 24
15 12/18/2017 03:47:11 -68.17, -57.93 88.56 12/18/2017 03:46:25 -68.18, -57.98 88.56 2.14 46

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 12/5/2017
SNOs_Map_NPP_TERRA_20171205.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 12/05/2017 in txt file.

Historical Predictions of SNOs between NPP and TERRA

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service