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: 11/18/2017
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 11/18/2017 18:22:52 -68.47, 82.83 92.24 11/18/2017 18:24:03 -68.48, 82.94 92.22 4.74 71
2 11/18/2017 19:13:35 68.29,-109.63 87.60 11/18/2017 19:13:31 68.32,-109.62 87.62 2.58 4
3 11/18/2017 20:04:15 -68.10, 57.93 92.58 11/18/2017 20:03:03 -68.10, 57.76 92.60 7.17 72
4 11/21/2017 10:39:45 -68.39,-161.29 91.72 11/21/2017 10:40:33 -68.39,-161.28 91.71 0.60 48
5 11/21/2017 11:30:29 68.27, 6.17 88.18 11/21/2017 11:30:00 68.28, 6.22 88.18 2.31 29
6 11/21/2017 12:20:53 -67.21, 174.78 92.86 11/21/2017 12:19:46 -67.28, 172.71 92.83 89.54 67
7 11/24/2017 02:06:12 69.26, 145.99 89.70 11/24/2017 02:07:19 69.17, 147.94 89.64 77.62 67
8 11/24/2017 02:56:39 -68.36, -45.49 91.19 11/24/2017 02:57:02 -68.34, -45.46 91.20 2.35 23
9 11/24/2017 03:47:22 68.19, 122.04 88.66 11/24/2017 03:46:30 68.17, 121.98 88.63 3.60 52
10 11/26/2017 18:22:51 68.43, -97.12 89.40 11/26/2017 18:24:00 68.43, -97.10 89.40 1.17 69
11 11/26/2017 19:13:32 -68.28, 70.39 90.75 11/26/2017 19:13:31 -68.27, 70.35 90.76 1.75 1
12 11/26/2017 20:04:13 68.01,-121.96 88.99 11/26/2017 20:03:00 68.04,-122.28 89.02 14.04 73
13 11/29/2017 10:39:43 68.36, 18.74 89.80 11/29/2017 10:40:28 68.35, 18.69 89.78 2.36 45
14 11/29/2017 11:30:25 -68.26,-173.82 90.30 11/29/2017 11:29:58 -68.25,-173.79 90.32 1.65 27

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 11/18/2017
SNOs_Map_NPP_TERRA_20171118.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 11/18/2017 in txt file.

Historical Predictions of SNOs between NPP and TERRA

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service