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: 11/25/2017
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 68.40, -97.09 89.37 11/26/2017 18:24:01 68.41, -97.13 89.38 1.74 71
2 11/26/2017 19:13:32 -68.32, 70.34 90.71 11/26/2017 19:13:31 -68.30, 70.37 90.73 2.19 1
3 11/26/2017 20:04:13 68.03,-121.99 89.02 11/26/2017 20:03:00 68.08,-122.25 89.05 11.71 73
4 11/29/2017 10:39:44 68.39, 18.70 89.82 11/29/2017 10:40:29 68.40, 18.75 89.84 2.54 45
5 11/29/2017 11:30:25 -68.24,-173.79 90.32 11/29/2017 11:30:00 -68.24,-173.82 90.33 0.99 25
6 11/29/2017 12:20:50 67.09, -5.09 88.56 11/29/2017 12:19:44 67.17, -7.39 88.60 99.63 66
7 12/02/2017 02:06:10 -69.34, -34.12 88.82 12/02/2017 02:07:17 -69.21, -31.99 88.93 85.01 67
8 12/02/2017 02:56:37 68.32, 134.56 90.17 12/02/2017 02:56:58 68.32, 134.54 90.17 1.08 21
9 12/02/2017 03:47:19 -68.22, -58.00 89.92 12/02/2017 03:46:28 -68.21, -57.95 89.93 1.91 51
10 12/04/2017 18:22:47 -68.41, 82.90 89.37 12/04/2017 18:23:59 -68.40, 82.87 89.39 2.28 72
11 12/04/2017 19:13:31 68.31,-109.65 90.53 12/04/2017 19:13:26 68.28,-109.62 90.50 3.08 5
12 12/04/2017 20:04:10 -68.04, 58.00 89.73 12/04/2017 20:02:58 -68.06, 57.76 89.72 10.26 72
13 12/07/2017 10:39:39 -68.35,-161.24 89.12 12/07/2017 10:40:26 -68.34,-161.30 89.13 2.67 47
14 12/07/2017 11:30:23 68.24, 6.20 90.78 12/07/2017 11:29:53 68.22, 6.20 90.76 2.27 30
15 12/07/2017 12:20:46 -67.12, 174.89 90.34 12/07/2017 12:19:40 -67.17, 172.63 90.30 97.67 66

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 11/25/2017
SNOs_Map_NPP_TERRA_20171125.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 11/25/2017 in txt file.

Historical Predictions of SNOs between NPP and TERRA

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service