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: 11/9/2017
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 11/10/2017 18:22:55 68.43, -97.11 85.68 11/10/2017 18:24:04 68.42, -97.14 85.68 1.50 69
2 11/10/2017 19:13:36 -68.30, 70.38 94.45 11/10/2017 19:13:34 -68.32, 70.37 94.43 2.51 2
3 11/10/2017 20:04:16 67.95,-121.87 85.23 11/10/2017 20:03:04 68.03,-122.33 85.30 21.03 72
4 11/13/2017 10:39:49 68.39, 18.70 86.37 11/13/2017 10:40:33 68.40, 18.72 86.38 1.19 44
5 11/13/2017 11:30:30 -68.26,-173.80 93.76 11/13/2017 11:30:04 -68.25,-173.84 93.78 1.93 26
6 11/16/2017 02:06:14 -69.34, -34.11 92.03 11/16/2017 02:07:21 -69.21, -32.03 92.12 83.32 67
7 11/16/2017 02:56:42 68.36, 134.51 87.02 11/16/2017 02:57:01 68.37, 134.56 87.03 2.16 19
8 11/16/2017 03:47:23 -68.22, -57.99 93.11 11/16/2017 03:46:32 -68.21, -57.99 93.13 1.01 51
9 11/18/2017 18:22:52 -68.45, 82.86 92.26 11/18/2017 18:24:03 -68.44, 82.89 92.27 1.95 71
10 11/18/2017 19:13:35 68.28,-109.62 87.59 11/18/2017 19:13:31 68.26,-109.68 87.57 3.48 4
11 11/18/2017 20:04:15 -68.08, 57.96 92.60 11/18/2017 20:03:02 -68.11, 57.77 92.59 8.12 73
12 11/21/2017 10:39:45 -68.37,-161.27 91.73 11/21/2017 10:40:32 -68.38,-161.30 91.73 1.38 47
13 11/21/2017 11:30:29 68.26, 6.18 88.17 11/21/2017 11:29:59 68.25, 6.20 88.16 1.04 30
14 11/21/2017 12:20:53 -67.19, 174.80 92.88 11/21/2017 12:19:46 -67.21, 172.63 92.90 93.54 67

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 11/9/2017
SNOs_Map_NPP_TERRA_20171109.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 11/09/2017 in txt file.

Historical Predictions of SNOs between NPP and TERRA

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service