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: 2/1/2017
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 02/03/2017 18:22:37 -68.50, 82.80 95.24 02/03/2017 18:23:48 -68.50, 82.94 95.26 5.65 71
2 02/03/2017 19:13:20 68.30,-109.64 84.55 02/03/2017 19:13:16 68.33,-109.61 84.57 3.36 4
3 02/03/2017 20:04:00 -68.13, 57.90 95.65 02/03/2017 20:02:47 -68.17, 57.82 95.60 5.15 73
4 02/06/2017 10:39:28 -68.40,-161.30 96.15 02/06/2017 10:40:18 -68.38,-161.32 96.18 2.64 50
5 02/06/2017 11:30:12 68.27, 6.18 83.70 02/06/2017 11:29:45 68.27, 6.19 83.70 0.62 27
6 02/06/2017 12:20:37 -67.28, 174.71 97.34 02/06/2017 12:19:29 -67.38, 172.80 97.17 82.72 68
7 02/09/2017 02:05:56 69.35, 145.87 84.00 02/09/2017 02:07:03 69.26, 148.02 83.84 85.18 67
8 02/09/2017 02:56:21 -68.37, -45.48 97.04 02/09/2017 02:56:47 -68.38, -45.45 97.03 1.46 26
9 02/09/2017 03:47:05 68.23, 122.00 82.81 02/09/2017 03:46:15 68.21, 121.99 82.80 2.69 50
10 02/11/2017 18:22:34 68.51, -97.21 82.26 02/11/2017 18:23:46 68.47, -97.09 82.20 6.63 72
11 02/11/2017 19:13:14 -68.33, 70.34 97.95 02/11/2017 19:13:17 -68.31, 70.35 97.97 2.03 3
12 02/11/2017 20:03:57 68.14,-122.11 81.85 02/11/2017 20:02:45 68.14,-122.21 81.86 4.27 72
13 02/14/2017 10:39:26 68.43, 18.67 81.27 02/14/2017 10:40:16 68.40, 18.70 81.23 3.11 50
14 02/14/2017 11:30:07 -68.30,-173.84 98.89 02/14/2017 11:29:46 -68.30,-173.79 98.88 1.89 21
15 02/14/2017 12:20:35 67.30, -5.31 80.08 02/14/2017 12:19:28 67.34, -7.25 80.19 83.40 67

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 2/1/2017
SNOs_Map_NPP_TERRA_20170201.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 02/01/2017 in txt file.

Historical Predictions of SNOs between NPP and TERRA

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service