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: 8/30/2017
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 08/30/2017 19:13:21 68.34,-109.64 59.52 08/30/2017 19:13:48 68.37,-109.65 59.54 2.64 27
2 08/30/2017 20:04:03 -68.25, 57.80 120.56 08/30/2017 20:03:18 -68.25, 57.84 120.56 1.91 45
3 09/02/2017 10:39:37 -68.62,-161.53 119.25 09/02/2017 10:40:49 -68.55,-161.20 119.32 15.34 72
4 09/02/2017 11:30:18 68.33, 6.14 60.48 09/02/2017 11:30:18 68.33, 6.18 60.48 1.60 0
5 09/02/2017 12:20:59 -68.19, 173.65 119.66 09/02/2017 12:19:49 -68.17, 173.61 119.68 2.92 70
6 09/05/2017 02:56:29 -68.39, -45.48 118.49 09/05/2017 02:57:20 -68.40, -45.50 118.48 1.66 51
7 09/05/2017 03:47:13 68.27, 121.98 61.40 09/05/2017 03:46:47 68.29, 122.01 61.42 2.39 26
8 09/05/2017 04:37:39 -67.32, -69.52 119.55 09/05/2017 04:36:31 -67.40, -71.38 119.45 80.24 68
9 09/07/2017 18:23:00 69.34, -98.31 63.46 09/07/2017 18:24:07 69.19, -96.27 63.30 82.20 67
10 09/07/2017 19:13:26 -68.39, 70.30 117.50 09/07/2017 19:13:50 -68.37, 70.33 117.52 2.69 24
11 09/07/2017 20:04:09 68.22,-122.18 62.34 09/07/2017 20:03:18 68.20,-122.23 62.32 3.09 51
12 09/10/2017 10:39:40 68.43, 18.69 63.54 09/10/2017 10:40:50 68.43, 18.65 63.54 1.80 70
13 09/10/2017 11:30:22 -68.33,-173.87 116.55 09/10/2017 11:30:20 -68.33,-173.84 116.55 1.10 2
14 09/10/2017 12:21:02 68.00, -6.14 63.14 09/10/2017 12:19:50 68.04, -6.53 63.18 17.24 72
15 09/13/2017 02:56:36 68.38, 134.53 64.51 09/13/2017 02:57:20 68.38, 134.47 64.51 2.39 44
16 09/13/2017 03:47:18 -68.28, -58.03 115.58 09/13/2017 03:46:50 -68.28, -58.02 115.58 0.68 28

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 8/30/2017
SNOs_Map_NPP_TERRA_20170830.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 08/30/2017 in txt file.

Historical Predictions of SNOs between NPP and TERRA

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service