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: 11/20/2017
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 11/21/2017 10:39:45 -68.39,-161.30 91.71 11/21/2017 10:40:33 -68.42,-161.26 91.69 2.91 48
2 11/21/2017 11:30:29 68.27, 6.17 88.18 11/21/2017 11:30:01 68.24, 6.18 88.15 3.19 28
3 11/21/2017 12:20:54 -67.27, 174.71 92.80 11/21/2017 12:19:46 -67.30, 172.73 92.80 85.11 68
4 11/24/2017 02:06:12 69.26, 145.99 89.70 11/24/2017 02:07:20 69.16, 147.93 89.63 77.37 68
5 11/24/2017 02:56:39 -68.36, -45.49 91.18 11/24/2017 02:57:03 -68.34, -45.47 91.21 3.07 24
6 11/24/2017 03:47:22 68.19, 122.04 88.66 11/24/2017 03:46:30 68.22, 122.03 88.68 3.01 52
7 11/26/2017 18:22:51 68.43, -97.12 89.40 11/26/2017 18:24:02 68.41, -97.13 89.38 2.35 71
8 11/26/2017 19:13:32 -68.28, 70.38 90.75 11/26/2017 19:13:32 -68.31, 70.38 90.72 3.07 0
9 11/26/2017 20:04:14 68.06,-122.03 89.04 11/26/2017 20:03:01 68.08,-122.25 89.05 9.44 73
10 11/29/2017 10:39:44 68.36, 18.74 89.79 11/29/2017 10:40:31 68.38, 18.72 89.81 2.57 47
11 11/29/2017 11:30:26 -68.26,-173.82 90.30 11/29/2017 11:30:01 -68.28,-173.77 90.29 3.01 25
12 11/29/2017 12:20:52 67.17, -5.18 88.63 11/29/2017 12:19:45 67.20, -7.35 88.64 93.71 67
13 12/02/2017 02:06:11 -69.40, -34.22 88.75 12/02/2017 02:07:17 -69.29, -31.89 88.85 92.25 66
14 12/02/2017 02:56:37 68.34, 134.54 90.19 12/02/2017 02:56:59 68.34, 134.56 90.19 0.97 22
15 12/02/2017 03:47:18 -68.18, -57.95 89.96 12/02/2017 03:46:30 -68.19, -57.99 89.96 1.89 48

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 11/20/2017
SNOs_Map_NPP_TERRA_20171120.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 11/20/2017 in txt file.

Historical Predictions of SNOs between NPP and TERRA

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service