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: 4/1/2020
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 04/03/2020 11:29:41 68.28, 6.20 62.59 04/03/2020 11:30:08 68.29, 6.14 62.60 2.84 27
2 04/03/2020 12:20:23 -68.20, 173.62 117.51 04/03/2020 12:19:38 -68.19, 173.65 117.52 2.06 45
3 04/06/2020 02:55:55 -68.54, -45.68 118.15 04/06/2020 02:57:07 -68.49, -45.38 118.21 13.93 72
4 04/06/2020 03:46:36 68.26, 122.00 61.55 04/06/2020 03:46:36 68.26, 121.99 61.55 0.48 0
5 04/06/2020 04:37:17 -68.12, -70.51 118.61 04/06/2020 04:36:07 -68.10, -70.56 118.62 3.03 70
6 04/08/2020 19:12:46 -68.36, 70.33 119.34 04/08/2020 19:13:36 -68.35, 70.34 119.36 1.75 50
7 04/08/2020 20:03:30 68.24,-122.20 60.52 04/08/2020 20:03:03 68.22,-122.16 60.51 2.29 27
8 04/08/2020 20:53:56 -67.29, 46.28 120.46 04/08/2020 20:52:47 -67.34, 44.46 120.38 78.13 69
9 04/11/2020 10:39:14 69.23, 17.60 60.58 04/11/2020 10:40:21 69.13, 19.57 60.44 78.74 67
10 04/11/2020 11:29:40 -68.29,-173.81 120.41 04/11/2020 11:30:04 -68.31,-173.82 120.39 2.47 24
11 04/11/2020 12:20:24 68.17, -6.34 59.46 04/11/2020 12:19:31 68.18, -6.32 59.48 2.17 53
12 04/14/2020 02:55:53 68.36, 134.55 58.71 04/14/2020 02:57:02 68.36, 134.50 58.71 1.89 69
13 04/14/2020 03:46:35 -68.27, -58.01 121.40 04/14/2020 03:46:32 -68.27, -57.98 121.40 1.46 3
14 04/14/2020 04:37:15 67.94, 109.72 58.26 04/14/2020 04:36:02 67.97, 109.32 58.30 17.00 73

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 4/1/2020
SNOs_Map_NPP_TERRA_20200401.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 04/01/2020 in txt file.

Historical Predictions of SNOs between NPP and TERRA

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service