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: 10/16/2019
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 10/18/2019 10:39:35 68.45, 18.72 77.95 10/18/2019 10:40:01 68.45, 18.75 77.95 1.23 26
2 10/18/2019 11:30:16 -68.31,-173.79 102.18 10/18/2019 11:29:32 -68.29,-173.81 102.21 2.47 44
3 10/21/2019 02:05:49 -68.77, -33.24 100.79 10/21/2019 02:07:01 -68.66, -32.77 100.89 22.25 72
4 10/21/2019 02:56:28 68.37, 134.59 78.84 10/21/2019 02:56:31 68.37, 134.52 78.83 2.54 3
5 10/21/2019 03:47:10 -68.29, -57.99 101.24 10/21/2019 03:46:01 -68.27, -57.96 101.26 2.27 69
6 10/23/2019 18:22:37 -68.48, 82.91 100.13 10/23/2019 18:23:32 -68.47, 82.87 100.14 2.13 55
7 10/23/2019 19:13:21 68.35,-109.62 79.77 10/23/2019 19:12:59 68.34,-109.63 79.75 1.17 22
8 10/23/2019 20:03:50 -67.57, 58.68 101.00 10/23/2019 20:02:40 -67.63, 57.17 100.96 64.13 70
9 10/26/2019 09:49:08 69.56, 29.88 81.86 10/26/2019 09:50:14 69.48, 32.40 81.82 98.85 66
10 10/26/2019 10:39:31 -68.46,-161.29 99.22 10/26/2019 10:40:01 -68.44,-161.29 99.24 2.04 30
11 10/26/2019 11:30:15 68.34, 6.17 80.68 10/26/2019 11:29:28 68.31, 6.21 80.65 2.93 47
12 10/29/2019 02:05:46 68.69, 146.85 81.90 10/29/2019 02:06:58 68.61, 147.17 81.83 15.60 72
13 10/29/2019 02:56:24 -68.39, -45.43 98.39 10/29/2019 02:56:30 -68.41, -45.44 98.37 2.54 6
14 10/29/2019 03:47:08 68.27, 122.03 81.51 10/29/2019 03:45:57 68.28, 122.05 81.52 1.69 71

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 10/16/2019
SNOs_Map_NPP_TERRA_20191016.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 10/16/2019 in txt file.

Historical Predictions of SNOs between NPP and TERRA

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service