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: 8/1/2017
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 02:56:05 -68.46, -45.48 128.83 08/04/2017 02:57:13 -68.44, -45.43 128.86 3.18 68
2 08/04/2017 03:46:48 68.29, 122.05 51.01 08/04/2017 03:46:41 68.27, 122.01 50.99 2.73 7
3 08/04/2017 04:37:26 -67.98, -70.24 129.31 08/04/2017 04:36:13 -68.05, -70.61 129.22 17.47 73
4 08/06/2017 19:13:01 -68.37, 70.39 128.19 08/06/2017 19:13:44 -68.40, 70.40 128.17 3.31 43
5 08/06/2017 20:03:45 68.26,-122.15 51.70 08/06/2017 20:03:12 68.23,-122.17 51.68 3.17 33
6 08/09/2017 10:39:26 69.03, 17.96 53.24 08/09/2017 10:40:35 68.96, 19.33 53.14 55.31 69
7 08/09/2017 11:29:57 -68.34,-173.80 127.47 08/09/2017 11:30:14 -68.36,-173.78 127.45 2.89 17
8 08/09/2017 12:20:40 68.17, -6.28 52.38 08/09/2017 12:19:42 68.19, -6.34 52.40 3.05 58
9 08/12/2017 02:56:12 68.41, 134.55 53.39 08/12/2017 02:57:15 68.42, 134.53 53.40 1.42 63
10 08/12/2017 03:46:54 -68.30, -58.00 126.71 08/12/2017 03:46:45 -68.32, -57.95 126.70 2.60 9
11 08/12/2017 04:37:30 67.77, 109.99 52.75 08/12/2017 04:36:19 67.81, 109.09 52.82 38.08 71
12 08/14/2017 19:13:09 68.38,-109.65 54.18 08/14/2017 19:13:46 68.38,-109.64 54.17 0.39 37
13 08/14/2017 20:03:51 -68.27, 57.81 125.93 08/14/2017 20:03:16 -68.28, 57.87 125.92 2.77 35

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 8/1/2017
SNOs_Map_NPP_TERRA_20170802.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 08/01/2017 in txt file.

Historical Predictions of SNOs between NPP and TERRA

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service