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: 4/29/2018
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 04/30/2018 11:29:52 68.33, 6.15 53.38 04/30/2018 11:30:50 68.33, 6.12 53.37 1.01 58
2 04/30/2018 12:20:34 -68.24, 173.58 126.73 04/30/2018 12:20:20 -68.22, 173.62 126.75 2.55 14
3 04/30/2018 13:11:07 67.53, -18.22 52.55 04/30/2018 13:09:57 67.55, -19.50 52.58 54.35 70
4 05/03/2018 03:46:47 68.30, 121.96 52.54 05/03/2018 03:47:22 68.28, 121.94 52.53 1.69 35
5 05/03/2018 04:37:29 -68.20, -70.60 127.57 05/03/2018 04:36:52 -68.18, -70.55 127.60 3.27 37
6 05/05/2018 19:13:08 -68.91, 69.61 127.60 05/05/2018 19:14:18 -68.84, 70.85 127.68 50.42 70
7 05/05/2018 20:03:42 68.27,-122.23 51.74 05/05/2018 20:03:53 68.29,-122.19 51.76 2.91 11
8 05/05/2018 20:54:23 -68.12, 45.28 128.43 05/05/2018 20:53:24 -68.13, 45.26 128.42 1.72 59
9 05/08/2018 11:29:53 -68.35,-173.87 128.92 05/08/2018 11:30:58 -68.34,-173.90 128.93 1.42 65
10 05/08/2018 12:20:36 68.24, -6.42 50.97 05/08/2018 12:20:24 68.23, -6.39 50.95 1.84 12
11 05/08/2018 13:11:11 -67.76, 161.49 129.53 05/08/2018 13:09:59 -67.85, 160.80 129.44 30.71 72
12 05/11/2018 03:46:47 -68.32, -58.06 129.65 05/11/2018 03:47:28 -68.33, -58.04 129.65 1.40 41
13 05/11/2018 04:37:30 68.16, 109.45 50.18 05/11/2018 04:36:56 68.16, 109.40 50.18 2.25 34

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 4/29/2018
SNOs_Map_NPP_TERRA_20180429.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 04/29/2018 in txt file.

Historical Predictions of SNOs between NPP and TERRA

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service