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: 3/30/2020
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 03/31/2020 19:12:47 68.37,-109.68 63.71 03/31/2020 19:13:39 68.37,-109.66 63.70 1.12 52
2 03/31/2020 20:03:28 -68.24, 57.80 116.44 03/31/2020 20:03:09 -68.26, 57.85 116.42 3.10 19
3 03/31/2020 20:53:58 67.35,-133.79 62.64 03/31/2020 20:52:49 67.42,-135.48 62.75 72.51 69
4 04/03/2020 11:29:41 68.29, 6.19 62.60 04/03/2020 11:30:08 68.29, 6.13 62.59 2.24 27
5 04/03/2020 12:20:22 -68.16, 173.68 117.55 04/03/2020 12:19:38 -68.18, 173.65 117.52 3.26 44
6 04/06/2020 02:55:55 -68.55, -45.69 118.14 04/06/2020 02:57:07 -68.49, -45.37 118.21 14.75 72
7 04/06/2020 03:46:36 68.27, 121.99 61.56 04/06/2020 03:46:36 68.26, 121.99 61.55 0.85 0
8 04/06/2020 04:37:17 -68.13, -70.52 118.60 04/06/2020 04:36:07 -68.10, -70.56 118.62 3.37 70
9 04/08/2020 19:12:47 -68.37, 70.32 119.33 04/08/2020 19:13:37 -68.35, 70.35 119.35 2.17 50
10 04/08/2020 20:03:31 68.25,-122.22 60.53 04/08/2020 20:03:04 68.23,-122.15 60.51 3.18 27
11 04/08/2020 20:53:57 -67.30, 46.27 120.45 04/08/2020 20:52:48 -67.35, 44.47 120.37 77.32 69
12 04/11/2020 10:39:14 69.24, 17.59 60.59 04/11/2020 10:40:21 69.14, 19.59 60.46 79.89 67
13 04/11/2020 11:29:40 -68.30,-173.82 120.40 04/11/2020 11:30:04 -68.32,-173.80 120.37 3.38 24
14 04/11/2020 12:20:24 68.18, -6.36 59.47 04/11/2020 12:19:31 68.20, -6.30 59.49 3.38 53

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 3/30/2020
SNOs_Map_NPP_TERRA_20200331.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 03/30/2020 in txt file.

Historical Predictions of SNOs between NPP and TERRA

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service