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: 3/31/2019
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 04/01/2019 11:29:38 68.30, 6.23 63.68 04/01/2019 11:30:03 68.31, 6.25 63.68 1.17 25
2 04/01/2019 12:20:19 -68.17, 173.71 116.47 04/01/2019 12:19:34 -68.15, 173.69 116.50 2.93 45
3 04/04/2019 02:55:51 -68.63, -45.73 117.01 04/04/2019 02:57:03 -68.55, -45.23 117.11 22.45 72
4 04/04/2019 03:46:30 68.24, 122.09 62.58 04/04/2019 03:46:33 68.26, 122.07 62.60 3.04 3
5 04/04/2019 04:37:11 -68.10, -70.42 117.58 04/04/2019 04:36:04 -68.11, -70.48 117.57 2.41 67
6 04/06/2019 19:12:39 -68.35, 70.42 118.32 04/06/2019 19:13:36 -68.34, 70.40 118.34 1.63 57
7 04/06/2019 20:03:23 68.23,-122.12 61.55 04/06/2019 20:03:03 68.22,-122.10 61.54 1.31 20
8 04/06/2019 20:53:53 -67.50, 46.10 119.21 04/06/2019 20:52:43 -67.56, 44.77 119.13 57.15 70
9 04/09/2019 11:29:30 -68.28,-173.72 119.39 04/09/2019 11:30:05 -68.29,-173.78 119.39 2.77 35
10 04/09/2019 12:20:14 68.16, -6.26 60.48 04/09/2019 12:19:32 68.17, -6.28 60.48 0.98 42
11 04/12/2019 02:55:48 68.74, 134.14 60.10 04/12/2019 02:56:59 68.67, 134.93 60.02 32.76 71
12 04/12/2019 03:46:23 -68.27, -57.92 120.40 04/12/2019 03:46:34 -68.30, -57.89 120.37 3.25 11
13 04/12/2019 04:37:06 68.10, 109.60 59.43 04/12/2019 04:36:02 68.12, 109.54 59.44 2.81 64

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 3/31/2019
SNOs_Map_NPP_TERRA_20190331.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 03/31/2019 in txt file.

Historical Predictions of SNOs between NPP and TERRA

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service