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: 7/30/2017
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 08/01/2017 10:39:22 -69.23,-162.30 128.72 08/01/2017 10:40:30 -69.14,-160.42 128.86 74.80 68
2 08/01/2017 11:29:51 68.31, 6.25 50.34 08/01/2017 11:30:10 68.31, 6.18 50.33 2.82 19
3 08/01/2017 12:20:33 -68.22, 173.69 129.75 08/01/2017 12:19:40 -68.21, 173.70 129.76 1.40 53
4 08/04/2017 02:56:05 -68.45, -45.47 128.84 08/04/2017 02:57:13 -68.43, -45.44 128.87 2.62 68
5 08/04/2017 03:46:48 68.28, 122.06 51.00 08/04/2017 03:46:40 68.31, 122.06 51.03 3.33 8
6 08/04/2017 04:37:26 -67.97, -70.23 129.32 08/04/2017 04:36:13 -68.04, -70.62 129.23 18.37 73
7 08/06/2017 19:13:00 -68.36, 70.41 128.20 08/06/2017 19:13:43 -68.36, 70.35 128.20 2.26 43
8 08/06/2017 20:03:44 68.25,-122.14 51.69 08/06/2017 20:03:10 68.25,-122.14 51.69 0.21 34
9 08/09/2017 10:39:26 69.02, 17.97 53.23 08/09/2017 10:40:35 68.89, 19.25 53.07 52.99 69
10 08/09/2017 11:29:57 -68.32,-173.79 127.48 08/09/2017 11:30:13 -68.35,-173.79 127.46 2.56 16
11 08/09/2017 12:20:41 68.22, -6.34 52.42 08/09/2017 12:19:40 68.23, -6.29 52.44 2.50 61
12 08/12/2017 02:56:12 68.40, 134.56 53.38 08/12/2017 02:57:13 68.42, 134.54 53.40 2.41 61
13 08/12/2017 03:46:54 -68.29, -57.98 126.72 08/12/2017 03:46:44 -68.27, -58.01 126.75 3.18 10
14 08/12/2017 04:37:29 67.70, 110.07 52.69 08/12/2017 04:36:18 67.75, 109.04 52.76 43.91 71

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 7/30/2017
SNOs_Map_NPP_TERRA_20170731.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 07/30/2017 in txt file.

Historical Predictions of SNOs between NPP and TERRA

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service