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: 8/8/2017
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 08/09/2017 10:39:26 69.00, 17.99 53.22 08/09/2017 10:40:36 68.89, 19.27 53.07 52.36 70
2 08/09/2017 11:29:57 -68.32,-173.78 127.48 08/09/2017 11:30:14 -68.34,-173.79 127.47 2.17 17
3 08/09/2017 12:20:41 68.20, -6.32 52.41 08/09/2017 12:19:42 68.17, -6.34 52.38 3.13 59
4 08/12/2017 02:56:13 68.44, 134.51 53.42 08/12/2017 02:57:14 68.43, 134.57 53.40 2.63 61
5 08/12/2017 03:46:54 -68.29, -57.98 126.73 08/12/2017 03:46:45 -68.27, -58.00 126.75 2.60 9
6 08/12/2017 04:37:30 67.74, 110.02 52.73 08/12/2017 04:36:19 67.76, 109.06 52.77 40.46 71
7 08/14/2017 19:13:08 68.36,-109.62 54.16 08/14/2017 19:13:44 68.34,-109.67 54.13 3.00 36
8 08/14/2017 20:03:50 -68.26, 57.82 125.94 08/14/2017 20:03:14 -68.24, 57.84 125.96 2.99 36
9 08/17/2017 10:39:30 -68.93,-161.92 124.43 08/17/2017 10:40:40 -68.79,-160.87 124.59 44.53 70
10 08/17/2017 11:30:05 68.34, 6.17 54.98 08/17/2017 11:30:13 68.35, 6.22 54.98 2.24 8
11 08/17/2017 12:20:46 -68.18, 173.69 125.18 08/17/2017 12:19:44 -68.19, 173.66 125.17 1.25 62
12 08/20/2017 02:56:18 -68.42, -45.48 124.08 08/20/2017 02:57:16 -68.40, -45.48 124.11 2.79 58
13 08/20/2017 03:47:01 68.26, 122.03 55.77 08/20/2017 03:46:43 68.28, 122.02 55.79 1.98 18
14 08/20/2017 04:37:33 -67.62, -69.85 124.88 08/20/2017 04:36:22 -67.68, -71.05 124.80 51.22 71

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 8/8/2017
SNOs_Map_NPP_TERRA_20170809.jpg

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

Historical Predictions of SNOs between NPP and TERRA

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service