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: 4/3/2019
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 04/04/2019 02:55:51 -68.65, -45.76 116.99 04/04/2019 02:57:02 -68.56, -45.21 117.10 24.41 71
2 04/04/2019 03:46:30 68.25, 122.07 62.59 04/04/2019 03:46:33 68.23, 122.04 62.57 2.36 3
3 04/04/2019 04:37:11 -68.12, -70.45 117.56 04/04/2019 04:36:03 -68.12, -70.46 117.56 0.68 68
4 04/06/2019 19:12:38 -68.31, 70.46 118.35 04/06/2019 19:13:35 -68.33, 70.39 118.34 3.35 57
5 04/06/2019 20:03:23 68.24,-122.14 61.56 04/06/2019 20:03:02 68.22,-122.09 61.54 3.03 21
6 04/06/2019 20:53:52 -67.46, 46.14 119.25 04/06/2019 20:52:42 -67.55, 44.77 119.13 59.50 70
7 04/09/2019 11:29:31 -68.30,-173.74 119.37 04/09/2019 11:30:04 -68.31,-173.75 119.37 1.14 33
8 04/09/2019 12:20:15 68.18, -6.28 60.49 04/09/2019 12:19:31 68.20, -6.24 60.51 2.52 44
9 04/12/2019 02:55:47 68.70, 134.19 60.06 04/12/2019 02:56:58 68.60, 134.86 59.95 29.04 71
10 04/12/2019 03:46:23 -68.29, -57.95 120.38 04/12/2019 03:46:32 -68.28, -57.91 120.39 2.10 9
11 04/12/2019 04:37:06 68.12, 109.58 59.44 04/12/2019 04:36:00 68.10, 109.53 59.43 2.37 66
12 04/14/2019 19:12:33 68.32,-109.53 58.70 04/14/2019 19:13:31 68.33,-109.59 58.71 2.91 58
13 04/14/2019 20:03:15 -68.23, 57.91 121.41 04/14/2019 20:03:01 -68.24, 57.93 121.40 1.31 14
14 04/14/2019 20:53:48 67.52,-133.90 57.86 04/14/2019 20:52:38 67.55,-135.22 57.91 56.00 70

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 4/3/2019
SNOs_Map_NPP_TERRA_20190403.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 04/03/2019 in txt file.

Historical Predictions of SNOs between NPP and TERRA

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service