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: 3/29/2019
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 03/29/2019 19:12:46 68.34,-109.60 64.76 03/29/2019 19:13:34 68.32,-109.61 64.73 1.83 48
2 03/29/2019 20:03:27 -68.21, 57.88 115.39 03/29/2019 20:03:04 -68.22, 57.89 115.39 0.73 23
3 03/29/2019 20:53:54 67.16,-133.53 63.52 03/29/2019 20:52:47 67.21,-135.61 63.61 90.18 67
4 04/01/2019 11:29:38 68.27, 6.26 63.65 04/01/2019 11:30:04 68.27, 6.20 63.64 2.51 26
5 04/01/2019 12:20:20 -68.19, 173.68 116.45 04/01/2019 12:19:34 -68.17, 173.71 116.48 3.28 46
6 04/04/2019 02:55:51 -68.65, -45.76 116.99 04/04/2019 02:57:02 -68.55, -45.22 117.10 24.66 71
7 04/04/2019 03:46:30 68.26, 122.06 62.60 04/04/2019 03:46:32 68.27, 122.08 62.61 1.13 2
8 04/04/2019 04:37:11 -68.13, -70.45 117.55 04/04/2019 04:36:03 -68.11, -70.47 117.56 1.76 68
9 04/06/2019 19:12:39 -68.37, 70.39 118.29 04/06/2019 19:13:34 -68.38, 70.45 118.29 2.73 55
10 04/06/2019 20:03:22 68.20,-122.08 61.52 04/06/2019 20:03:02 68.20,-122.12 61.52 1.41 20
11 04/06/2019 20:53:52 -67.47, 46.14 119.24 04/06/2019 20:52:42 -67.55, 44.76 119.14 59.42 70
12 04/09/2019 11:29:31 -68.31,-173.75 119.37 04/09/2019 11:30:04 -68.31,-173.75 119.37 0.19 33
13 04/09/2019 12:20:15 68.19, -6.30 60.51 04/09/2019 12:19:31 68.19, -6.25 60.50 1.94 44
14 04/12/2019 02:55:48 68.72, 134.17 60.08 04/12/2019 02:56:59 68.61, 134.86 59.95 30.52 71

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 3/29/2019
SNOs_Map_NPP_TERRA_20190329.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 03/29/2019 in txt file.

Historical Predictions of SNOs between NPP and TERRA

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service