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: 10/13/2019
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 10/13/2019 03:47:13 68.29, 122.01 75.84 10/13/2019 03:46:00 68.28, 122.07 75.82 2.39 73
2 10/15/2019 18:22:41 68.47, -97.08 76.99 10/15/2019 18:23:32 68.48, -97.10 76.99 0.95 51
3 10/15/2019 19:13:23 -68.39, 70.35 103.09 10/15/2019 19:13:02 -68.37, 70.40 103.11 3.19 21
4 10/15/2019 20:03:51 67.40,-121.12 75.96 10/15/2019 20:02:43 67.47,-122.99 75.99 80.32 68
5 10/18/2019 10:39:35 68.45, 18.72 77.95 10/18/2019 10:40:01 68.45, 18.74 77.94 0.88 26
6 10/18/2019 11:30:16 -68.31,-173.78 102.18 10/18/2019 11:29:32 -68.29,-173.82 102.21 2.81 44
7 10/21/2019 02:05:49 -68.76, -33.23 100.80 10/21/2019 02:07:00 -68.70, -32.72 100.85 21.88 71
8 10/21/2019 02:56:29 68.43, 134.52 78.89 10/21/2019 02:56:30 68.41, 134.58 78.87 2.96 1
9 10/21/2019 03:47:10 -68.29, -57.98 101.24 10/21/2019 03:46:01 -68.26, -57.98 101.28 3.29 69
10 10/23/2019 18:22:37 -68.47, 82.92 100.13 10/23/2019 18:23:31 -68.49, 82.91 100.11 2.42 54
11 10/23/2019 19:13:21 68.35,-109.62 79.77 10/23/2019 19:12:58 68.37,-109.59 79.78 2.17 23
12 10/23/2019 20:03:49 -67.51, 58.75 101.05 10/23/2019 20:02:40 -67.61, 57.15 100.99 68.68 69
13 10/26/2019 09:49:08 69.56, 29.88 81.86 10/26/2019 09:50:14 69.43, 32.35 81.77 97.56 66
14 10/26/2019 10:39:31 -68.45,-161.29 99.23 10/26/2019 10:40:00 -68.45,-161.26 99.23 1.05 29
15 10/26/2019 11:30:15 68.34, 6.17 80.68 10/26/2019 11:29:27 68.32, 6.23 80.66 2.73 48

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 10/13/2019
SNOs_Map_NPP_TERRA_20191013.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 10/13/2019 in txt file.

Historical Predictions of SNOs between NPP and TERRA

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service