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: 11/24/2017
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 11/26/2017 18:22:50 68.41, -97.10 89.38 11/26/2017 18:24:01 68.39, -97.15 89.36 3.35 71
2 11/26/2017 19:13:31 -68.27, 70.40 90.76 11/26/2017 19:13:31 -68.28, 70.35 90.75 2.24 0
3 11/26/2017 20:04:13 68.04,-122.01 89.03 11/26/2017 20:03:00 68.06,-122.27 89.03 11.09 73
4 11/29/2017 10:39:44 68.40, 18.69 89.83 11/29/2017 10:40:29 68.37, 18.71 89.81 2.92 45
5 11/29/2017 11:30:25 -68.25,-173.80 90.31 11/29/2017 11:29:59 -68.27,-173.78 90.30 2.06 26
6 12/02/2017 02:06:09 -69.29, -34.06 88.86 12/02/2017 02:07:17 -69.17, -32.04 88.97 80.84 68
7 12/02/2017 02:56:37 68.33, 134.55 90.18 12/02/2017 02:56:57 68.34, 134.56 90.19 0.87 20
8 12/02/2017 03:47:18 -68.18, -57.94 89.97 12/02/2017 03:46:28 -68.17, -58.00 89.97 2.42 50
9 12/04/2017 18:22:47 -68.43, 82.89 89.36 12/04/2017 18:23:58 -68.40, 82.88 89.39 3.22 71
10 12/04/2017 19:13:30 68.26,-109.60 90.49 12/04/2017 19:13:25 68.28,-109.62 90.50 1.80 5
11 12/04/2017 20:04:10 -68.06, 57.98 89.72 12/04/2017 20:02:57 -68.06, 57.76 89.72 9.33 73
12 12/07/2017 10:39:39 -68.36,-161.26 89.11 12/07/2017 10:40:24 -68.38,-161.25 89.09 1.88 45
13 12/07/2017 11:30:22 68.20, 6.25 90.74 12/07/2017 11:29:52 68.20, 6.18 90.74 2.79 30

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 11/24/2017
SNOs_Map_NPP_TERRA_20171124.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 11/24/2017 in txt file.

Historical Predictions of SNOs between NPP and TERRA

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service