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: 7/29/2017
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 08/01/2017 10:39:22 -69.23,-162.29 128.73 08/01/2017 10:40:30 -69.15,-160.41 128.86 75.09 68
2 08/01/2017 11:29:51 68.31, 6.25 50.34 08/01/2017 11:30:10 68.31, 6.19 50.33 2.47 19
3 08/01/2017 12:20:33 -68.22, 173.69 129.76 08/01/2017 12:19:40 -68.21, 173.71 129.76 1.03 53
4 08/04/2017 02:56:05 -68.45, -45.47 128.84 08/04/2017 02:57:13 -68.44, -45.42 128.86 2.10 68
5 08/04/2017 03:46:48 68.28, 122.06 51.00 08/04/2017 03:46:41 68.26, 122.01 50.98 2.65 7
6 08/04/2017 04:37:26 -67.97, -70.23 129.32 08/04/2017 04:36:13 -68.05, -70.60 129.22 18.39 73
7 08/06/2017 19:13:00 -68.36, 70.41 128.20 08/06/2017 19:13:43 -68.39, 70.39 128.18 3.32 43
8 08/06/2017 20:03:44 68.25,-122.14 51.70 08/06/2017 20:03:10 68.27,-122.11 51.72 2.46 34
9 08/09/2017 10:39:26 69.02, 17.97 53.23 08/09/2017 10:40:35 68.93, 19.30 53.11 54.31 69
10 08/09/2017 11:29:57 -68.33,-173.79 127.48 08/09/2017 11:30:14 -68.33,-173.80 127.47 0.90 17
11 08/09/2017 12:20:41 68.22, -6.34 52.43 08/09/2017 12:19:41 68.21, -6.30 52.42 1.91 60
12 08/12/2017 02:56:12 68.41, 134.55 53.39 08/12/2017 02:57:14 68.43, 134.55 53.40 2.05 62
13 08/12/2017 03:46:54 -68.30, -57.99 126.72 08/12/2017 03:46:45 -68.27, -58.00 126.74 2.80 9
14 08/12/2017 04:37:29 67.71, 110.06 52.69 08/12/2017 04:36:19 67.76, 109.04 52.77 43.26 70

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 7/29/2017
SNOs_Map_NPP_TERRA_20170730.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 07/29/2017 in txt file.

Historical Predictions of SNOs between NPP and TERRA

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service