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: 9/30/2019
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 10/02/2019 09:49:14 -69.59,-150.12 106.99 10/02/2019 09:50:20 -69.47,-147.57 107.08 99.92 66
2 10/02/2019 10:39:39 68.46, 18.74 71.90 10/02/2019 10:40:04 68.43, 18.74 71.87 3.03 25
3 10/02/2019 11:30:20 -68.31,-173.76 108.23 10/02/2019 11:29:34 -68.32,-173.76 108.23 0.36 46
4 10/05/2019 02:05:52 -68.70, -33.12 106.84 10/05/2019 02:07:04 -68.65, -32.76 106.89 15.54 72
5 10/05/2019 02:56:33 68.42, 134.55 72.90 10/05/2019 02:56:33 68.43, 134.61 72.90 2.58 0
6 10/05/2019 03:47:13 -68.27, -57.94 107.24 10/05/2019 03:46:03 -68.26, -57.95 107.25 1.37 70
7 10/07/2019 18:22:42 -68.50, 82.90 106.01 10/07/2019 18:23:35 -68.48, 82.91 106.03 2.28 53
8 10/07/2019 19:13:26 68.38,-109.64 73.89 10/07/2019 19:13:02 68.37,-109.58 73.87 3.01 24
9 10/07/2019 20:03:53 -67.49, 58.80 106.98 10/07/2019 20:02:45 -67.54, 57.09 106.96 73.11 68
10 10/10/2019 09:49:12 69.52, 29.95 76.02 10/10/2019 09:50:18 69.47, 32.41 75.99 96.14 66
11 10/10/2019 10:39:36 -68.47,-161.28 105.02 10/10/2019 10:40:04 -68.48,-161.22 105.01 2.91 28
12 10/10/2019 11:30:19 68.30, 6.24 74.83 10/10/2019 11:29:32 68.30, 6.22 74.83 1.03 47
13 10/13/2019 02:05:51 68.69, 146.87 76.20 10/13/2019 02:07:02 68.62, 147.21 76.14 15.76 71
14 10/13/2019 02:56:30 -68.44, -45.48 104.04 10/13/2019 02:56:34 -68.41, -45.42 104.06 3.47 4
15 10/13/2019 03:47:13 68.27, 122.05 75.81 10/13/2019 03:46:01 68.29, 122.08 75.83 3.02 72

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 9/30/2019
SNOs_Map_NPP_TERRA_20190930.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 09/30/2019 in txt file.

Historical Predictions of SNOs between NPP and TERRA

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service