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: 1/5/2019
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 01/06/2019 02:56:31 68.32, 134.54 90.77 01/06/2019 02:57:00 68.29, 134.51 90.73 3.34 29
2 01/06/2019 03:47:12 -68.18, -57.95 89.39 01/06/2019 03:46:30 -68.18, -57.99 89.38 1.80 42
3 01/08/2019 18:22:46 -68.73, 82.47 89.15 01/08/2019 18:23:57 -68.61, 83.12 89.29 29.68 71
4 01/08/2019 19:13:24 68.29,-109.65 90.40 01/08/2019 19:13:28 68.27,-109.64 90.38 2.33 4
5 01/08/2019 20:04:05 -68.15, 57.85 89.76 01/08/2019 20:02:58 -68.17, 57.87 89.74 2.29 67
6 01/11/2019 10:39:34 -68.38,-161.30 89.90 01/11/2019 10:40:30 -68.36,-161.30 89.92 2.32 56
7 01/11/2019 11:30:17 68.21, 6.22 89.93 01/11/2019 11:29:57 68.24, 6.21 89.96 3.46 20
8 01/11/2019 12:20:47 -67.47, 174.46 90.84 01/11/2019 12:19:38 -67.52, 173.01 90.75 61.79 69
9 01/14/2019 02:56:27 -68.30, -45.42 90.42 01/14/2019 02:56:59 -68.32, -45.46 90.40 3.12 32
10 01/14/2019 03:47:11 68.19, 122.02 89.47 01/14/2019 03:46:26 68.21, 122.05 89.49 2.35 45
11 01/16/2019 18:22:44 68.64, -97.42 89.46 01/16/2019 18:23:55 68.55, -96.93 89.35 22.34 71
12 01/16/2019 19:13:21 -68.27, 70.38 90.93 01/16/2019 19:13:28 -68.28, 70.38 90.92 0.90 7
13 01/16/2019 20:04:05 68.17,-122.17 88.96 01/16/2019 20:02:55 68.16,-122.12 88.96 2.28 70

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 1/5/2019
SNOs_Map_NPP_TERRA_20190105.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 01/05/2019 in txt file.

Historical Predictions of SNOs between NPP and TERRA

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service