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: 4/8/2017
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 04/11/2017 10:39:05 -68.83,-161.76 119.74 04/11/2017 10:40:16 -68.66,-160.92 119.92 38.46 71
2 04/11/2017 11:29:41 68.29, 6.26 59.70 04/11/2017 11:29:48 68.27, 6.25 59.68 1.48 7
3 04/11/2017 12:20:23 -68.19, 173.70 120.42 04/11/2017 12:19:18 -68.17, 173.76 120.44 3.29 65
4 04/14/2017 02:55:51 -68.34, -45.35 121.21 04/14/2017 02:56:49 -68.37, -45.40 121.19 3.19 58
5 04/14/2017 03:46:35 68.23, 122.10 58.67 04/14/2017 03:46:16 68.25, 122.11 58.69 2.00 19
6 04/14/2017 04:37:06 -67.54, -69.73 122.05 04/14/2017 04:35:56 -67.59, -71.03 121.99 55.58 70
7 04/16/2017 19:12:47 -68.34, 70.42 122.17 04/16/2017 19:13:18 -68.34, 70.45 122.17 1.53 31
8 04/16/2017 20:03:30 68.18,-122.07 57.66 04/16/2017 20:02:46 68.17,-122.11 57.65 1.96 44
9 04/19/2017 10:39:04 68.61, 18.52 57.19 04/19/2017 10:40:15 68.53, 18.93 57.10 19.06 71
10 04/19/2017 11:29:42 -68.29,-173.75 123.15 04/19/2017 11:29:48 -68.26,-173.76 123.18 3.08 6
11 04/19/2017 12:20:25 68.13, -6.24 56.68 04/19/2017 12:19:15 68.15, -6.25 56.69 1.77 70
12 04/22/2017 02:55:55 68.35, 134.63 56.01 04/22/2017 02:56:47 68.34, 134.58 56.00 2.09 52
13 04/22/2017 03:46:37 -68.24, -57.92 124.12 04/22/2017 03:46:17 -68.24, -57.91 124.12 0.51 20
14 04/22/2017 04:37:06 67.33, 110.52 54.95 04/22/2017 04:35:58 67.34, 108.70 54.98 77.80 68

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 4/8/2017
SNOs_Map_NPP_TERRA_20170410.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 04/08/2017 in txt file.

Historical Predictions of SNOs between NPP and TERRA

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service