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: 11/2/2017
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 11/05/2017 10:39:48 -68.38,-161.27 95.91 11/05/2017 10:40:35 -68.37,-161.33 95.92 2.96 47
2 11/05/2017 11:30:32 68.25, 6.21 83.98 11/05/2017 11:30:02 68.25, 6.17 83.97 1.66 30
3 11/05/2017 12:20:55 -67.15, 174.87 97.09 11/05/2017 12:19:49 -67.21, 172.60 97.09 97.94 66
4 11/08/2017 02:06:15 69.22, 146.05 85.71 11/08/2017 02:07:23 69.10, 147.83 85.62 71.51 68
5 11/08/2017 02:56:42 -68.34, -45.44 95.16 11/08/2017 02:57:05 -68.34, -45.49 95.16 2.25 23
6 11/08/2017 03:47:26 68.21, 122.03 84.73 11/08/2017 03:46:32 68.21, 122.01 84.73 1.25 54
7 11/10/2017 18:22:55 68.43, -97.11 85.68 11/10/2017 18:24:04 68.45, -97.11 85.70 1.57 69
8 11/10/2017 19:13:36 -68.29, 70.38 94.45 11/10/2017 19:13:35 -68.30, 70.34 94.45 1.96 1
9 11/10/2017 20:04:17 68.01,-121.95 85.29 11/10/2017 20:03:04 68.06,-122.30 85.32 15.71 73
10 11/13/2017 10:39:49 68.39, 18.70 86.37 11/13/2017 10:40:34 68.40, 18.71 86.37 0.55 45
11 11/13/2017 11:30:30 -68.25,-173.79 93.77 11/13/2017 11:30:05 -68.25,-173.84 93.77 1.73 25
12 11/16/2017 02:06:15 -69.38, -34.17 91.99 11/16/2017 02:07:22 -69.25, -31.98 92.08 87.32 67
13 11/16/2017 02:56:42 68.36, 134.52 87.02 11/16/2017 02:57:03 68.35, 134.53 87.01 1.58 21
14 11/16/2017 03:47:23 -68.21, -57.97 93.12 11/16/2017 03:46:34 -68.20, -58.01 93.14 2.19 49

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 11/2/2017
SNOs_Map_NPP_TERRA_20171103.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 11/02/2017 in txt file.

Historical Predictions of SNOs between NPP and TERRA

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service