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: 11/15/2017
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 02:06:14 -69.31, -34.08 92.05 11/16/2017 02:07:22 -69.22, -32.02 92.11 82.02 68
2 11/16/2017 02:56:42 68.33, 134.55 87.00 11/16/2017 02:57:03 68.33, 134.52 86.99 1.36 21
3 11/16/2017 03:47:23 -68.20, -57.96 93.13 11/16/2017 03:46:33 -68.23, -57.98 93.11 3.06 50
4 11/18/2017 18:22:53 -68.48, 82.82 92.23 11/18/2017 18:24:05 -68.44, 82.89 92.26 4.92 72
5 11/18/2017 19:13:36 68.30,-109.64 87.61 11/18/2017 19:13:32 68.33,-109.61 87.63 3.19 4
6 11/18/2017 20:04:16 -68.11, 57.92 92.58 11/18/2017 20:03:04 -68.11, 57.77 92.58 6.28 72
7 11/21/2017 10:39:45 -68.39,-161.30 91.71 11/21/2017 10:40:34 -68.38,-161.30 91.72 1.00 49
8 11/21/2017 11:30:29 68.28, 6.16 88.18 11/21/2017 11:30:01 68.27, 6.20 88.17 1.85 28
9 11/21/2017 12:20:54 -67.27, 174.71 92.80 11/21/2017 12:19:46 -67.33, 172.76 92.78 84.30 68
10 11/24/2017 02:06:13 69.31, 145.91 89.76 11/24/2017 02:07:20 69.21, 147.98 89.68 82.54 67
11 11/24/2017 02:56:39 -68.36, -45.49 91.18 11/24/2017 02:57:03 -68.38, -45.42 91.16 3.42 24
12 11/24/2017 03:47:22 68.19, 122.03 88.66 11/24/2017 03:46:31 68.21, 122.01 88.67 1.71 51
13 11/26/2017 18:22:51 68.43, -97.13 89.40 11/26/2017 18:24:03 68.42, -97.12 89.39 1.17 72
14 11/26/2017 19:13:32 -68.28, 70.39 90.75 11/26/2017 19:13:34 -68.27, 70.32 90.77 3.08 2
15 11/26/2017 20:04:14 68.06,-122.03 89.05 11/26/2017 20:03:02 68.09,-122.24 89.07 9.40 72

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 11/15/2017
SNOs_Map_NPP_TERRA_20171115.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 11/15/2017 in txt file.

Historical Predictions of SNOs between NPP and TERRA

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service