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: 9/15/2017
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 09/15/2017 18:23:01 -69.17, 81.92 113.68 09/15/2017 18:24:10 -69.05, 83.52 113.81 64.89 69
2 09/15/2017 19:13:32 68.34,-109.67 65.50 09/15/2017 19:13:48 68.32,-109.73 65.48 3.34 16
3 09/15/2017 20:04:13 -68.21, 57.83 114.62 09/15/2017 20:03:18 -68.22, 57.77 114.61 2.35 55
4 09/18/2017 10:39:44 -68.42,-161.31 113.40 09/18/2017 10:40:50 -68.43,-161.38 113.40 2.65 66
5 09/18/2017 11:30:28 68.30, 6.16 66.49 09/18/2017 11:30:17 68.31, 6.13 66.51 2.18 11
6 09/18/2017 12:21:04 -67.89, 173.99 113.90 09/18/2017 12:19:52 -67.93, 173.31 113.87 28.75 72
7 09/21/2017 02:56:40 -68.43, -45.56 112.35 09/21/2017 02:57:18 -68.42, -45.51 112.37 2.58 38
8 09/21/2017 03:47:23 68.25, 121.99 67.49 09/21/2017 03:46:46 68.25, 121.93 67.48 2.39 37
9 09/23/2017 18:23:02 68.91, -97.74 69.16 09/23/2017 18:24:12 68.79, -96.80 69.05 39.55 70
10 09/23/2017 19:13:35 -68.34, 70.34 111.40 09/23/2017 19:13:48 -68.36, 70.29 111.39 2.68 13
11 09/23/2017 20:04:19 68.21,-122.19 68.49 09/23/2017 20:03:15 68.24,-122.20 68.51 3.02 64
12 09/26/2017 10:39:50 68.44, 18.65 69.74 09/26/2017 10:40:47 68.45, 18.65 69.75 1.46 57
13 09/26/2017 11:30:31 -68.30,-173.85 110.40 09/26/2017 11:30:18 -68.30,-173.90 110.40 2.23 13
14 09/26/2017 12:21:04 67.58, -5.64 68.91 09/26/2017 12:19:55 67.62, -7.05 68.93 59.60 69
15 09/29/2017 02:56:46 68.41, 134.46 70.75 09/29/2017 02:57:17 68.39, 134.46 70.73 1.21 31

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 9/15/2017
SNOs_Map_NPP_TERRA_20170915.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 09/15/2017 in txt file.

Historical Predictions of SNOs between NPP and TERRA

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service