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: 6/23/2019
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 06/25/2019 18:22:39 68.72, -97.51 45.25 06/25/2019 18:23:50 68.65, -96.85 45.16 28.07 71
2 06/25/2019 19:13:15 -68.32, 70.33 135.16 06/25/2019 19:13:24 -68.32, 70.39 135.16 2.25 9
3 06/25/2019 20:03:58 68.13,-122.12 44.65 06/25/2019 20:02:52 68.15,-122.17 44.67 2.68 66
4 06/28/2019 10:39:29 68.39, 18.69 45.02 06/28/2019 10:40:22 68.40, 18.74 45.02 2.41 53
5 06/28/2019 11:30:10 -68.26,-173.82 135.12 06/28/2019 11:29:53 -68.25,-173.81 135.13 1.43 17
6 06/28/2019 12:20:41 67.43, -5.48 44.04 06/28/2019 12:19:32 67.45, -7.08 44.10 68.36 69
7 07/01/2019 02:56:23 68.34, 134.52 45.12 07/01/2019 02:56:50 68.32, 134.53 45.10 1.78 27
8 07/01/2019 03:47:04 -68.20, -57.98 135.02 07/01/2019 03:46:20 -68.23, -57.95 135.00 2.99 44
9 07/03/2019 18:22:38 -68.63, 82.61 134.39 07/03/2019 18:23:49 -68.54, 83.02 134.50 19.68 71
10 07/03/2019 19:13:18 68.29,-109.64 45.27 07/03/2019 19:13:18 68.30,-109.62 45.27 1.29 0
11 07/03/2019 20:03:59 -68.15, 57.86 134.88 07/03/2019 20:02:49 -68.15, 57.84 134.87 0.73 70
12 07/06/2019 10:39:29 -68.36,-161.27 134.42 07/06/2019 10:40:20 -68.34,-161.33 134.44 3.00 51
13 07/06/2019 11:30:13 68.24, 6.19 45.46 07/06/2019 11:29:47 68.21, 6.16 45.44 3.36 26
14 07/06/2019 12:20:39 -67.29, 174.68 135.51 07/06/2019 12:19:31 -67.34, 172.80 135.41 80.75 68

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 6/23/2019
SNOs_Map_NPP_TERRA_20190623.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 06/23/2019 in txt file.

Historical Predictions of SNOs between NPP and TERRA

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service