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: 11/19/2017
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 -68.41,-161.26 91.69 2.59 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 3.42 28
3 11/21/2017 12:20:54 -67.27, 174.71 92.80 11/21/2017 12:19:46 -67.30, 172.73 92.81 85.18 68
4 11/24/2017 02:06:12 69.26, 145.99 89.71 11/24/2017 02:07:20 69.17, 147.94 89.64 77.70 68
5 11/24/2017 02:56:39 -68.37, -45.49 91.18 11/24/2017 02:57:03 -68.34, -45.46 91.20 2.77 24
6 11/24/2017 03:47:22 68.19, 122.04 88.66 11/24/2017 03:46:30 68.22, 122.04 88.69 3.46 52
7 11/26/2017 18:22:51 68.43, -97.13 89.40 11/26/2017 18:24:02 68.43, -97.11 89.40 1.06 71
8 11/26/2017 19:13:32 -68.29, 70.38 90.75 11/26/2017 19:13:33 -68.27, 70.34 90.76 2.36 1
9 11/26/2017 20:04:14 68.06,-122.03 89.05 11/26/2017 20:03:01 68.10,-122.23 89.07 9.02 73
10 11/29/2017 10:39:44 68.36, 18.74 89.80 11/29/2017 10:40:32 68.35, 18.69 89.79 2.18 48
11 11/29/2017 11:30:26 -68.26,-173.82 90.30 11/29/2017 11:30:02 -68.26,-173.80 90.31 1.03 24
12 11/29/2017 12:20:52 67.18, -5.19 88.64 11/29/2017 12:19:45 67.24, -7.32 88.67 92.14 67
13 12/02/2017 02:06:11 -69.41, -34.22 88.75 12/02/2017 02:07:18 -69.29, -31.90 88.85 92.28 67
14 12/02/2017 02:56:37 68.34, 134.53 90.20 12/02/2017 02:57:00 68.34, 134.55 90.19 1.08 23
15 12/02/2017 03:47:18 -68.19, -57.95 89.96 12/02/2017 03:46:31 -68.19, -58.00 89.96 1.89 47

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 11/19/2017
SNOs_Map_NPP_TERRA_20171119.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 11/19/2017 in txt file.

Historical Predictions of SNOs between NPP and TERRA

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service