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: 1/2/2018
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 01/03/2018 02:56:23 68.34, 134.56 91.07 01/03/2018 02:56:57 68.35, 134.59 91.08 1.76 34
2 01/03/2018 03:47:04 -68.19, -57.95 89.08 01/03/2018 03:46:28 -68.18, -57.98 89.10 2.30 36
3 01/05/2018 18:22:41 -68.95, 82.21 88.58 01/05/2018 18:23:51 -68.84, 83.43 88.72 50.45 70
4 01/05/2018 19:13:15 68.30,-109.62 90.75 01/05/2018 19:13:26 68.29,-109.60 90.74 1.09 11
5 01/05/2018 20:03:56 -68.15, 57.88 89.41 01/05/2018 20:02:56 -68.18, 57.90 89.38 3.03 60
6 01/08/2018 10:39:24 -68.37,-161.25 89.50 01/08/2018 10:40:28 -68.39,-161.25 89.50 1.17 64
7 01/08/2018 11:30:08 68.26, 6.20 90.38 01/08/2018 11:29:55 68.27, 6.26 90.39 2.99 13
8 01/08/2018 12:20:43 -67.79, 174.11 90.11 01/08/2018 12:19:31 -67.83, 173.38 90.05 31.03 72
9 01/11/2018 02:56:17 -68.34, -45.43 89.93 01/11/2018 02:56:57 -68.36, -45.40 89.91 2.68 40
10 01/11/2018 03:47:00 68.17, 122.09 89.90 01/11/2018 03:46:25 68.19, 122.04 89.92 3.01 35
11 01/13/2018 18:22:39 68.99, -97.83 90.32 01/13/2018 18:23:48 68.87, -96.52 90.16 54.28 69
12 01/13/2018 19:13:10 -68.30, 70.39 90.40 01/13/2018 19:13:26 -68.32, 70.44 90.39 2.56 16
13 01/13/2018 20:03:53 68.13,-122.09 89.43 01/13/2018 20:02:54 68.15,-122.12 89.44 1.93 59

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 1/2/2018
SNOs_Map_NPP_TERRA_20180102.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 01/02/2018 in txt file.

Historical Predictions of SNOs between NPP and TERRA

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service