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: 8/2/2017
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 08/04/2017 02:56:04 -68.44, -45.46 128.85 08/04/2017 02:57:12 -68.45, -45.41 128.85 2.09 68
2 08/04/2017 03:46:47 68.27, 122.07 50.98 08/04/2017 03:46:40 68.27, 122.03 50.99 2.14 7
3 08/04/2017 04:37:25 -67.96, -70.22 129.33 08/04/2017 04:36:13 -68.01, -70.66 129.26 19.04 72
4 08/06/2017 19:13:01 -68.40, 70.35 128.16 08/06/2017 19:13:43 -68.39, 70.40 128.18 2.34 42
5 08/06/2017 20:03:44 68.23,-122.12 51.68 08/06/2017 20:03:11 68.22,-122.16 51.67 2.15 33
6 08/09/2017 10:39:26 69.01, 17.99 53.22 08/09/2017 10:40:36 68.88, 19.24 53.06 52.23 70
7 08/09/2017 11:29:57 -68.32,-173.78 127.49 08/09/2017 11:30:14 -68.33,-173.80 127.47 2.10 17
8 08/09/2017 12:20:41 68.21, -6.32 52.41 08/09/2017 12:19:41 68.22, -6.29 52.43 1.81 60
9 08/12/2017 02:56:13 68.45, 134.50 53.43 08/12/2017 02:57:14 68.42, 134.55 53.40 3.10 61
10 08/12/2017 03:46:54 -68.29, -57.97 126.73 08/12/2017 03:46:45 -68.27, -58.00 126.75 2.24 9
11 08/12/2017 04:37:30 67.75, 110.01 52.73 08/12/2017 04:36:19 67.76, 109.05 52.77 40.69 71
12 08/14/2017 19:13:08 68.37,-109.63 54.16 08/14/2017 19:13:44 68.35,-109.66 54.14 2.04 36
13 08/14/2017 20:03:50 -68.26, 57.83 125.94 08/14/2017 20:03:14 -68.25, 57.86 125.95 1.33 36

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 8/2/2017
SNOs_Map_NPP_TERRA_20170803.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 08/02/2017 in txt file.

Historical Predictions of SNOs between NPP and TERRA

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service