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: 11/12/2017
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 11/13/2017 10:39:49 68.41, 18.68 86.38 11/13/2017 10:40:33 68.41, 18.72 86.39 1.74 44
2 11/13/2017 11:30:30 -68.28,-173.83 93.74 11/13/2017 11:30:04 -68.25,-173.83 93.77 2.87 26
3 11/16/2017 02:06:15 -69.36, -34.14 92.01 11/16/2017 02:07:22 -69.25, -31.98 92.08 85.75 67
4 11/16/2017 02:56:43 68.38, 134.49 87.04 11/16/2017 02:57:03 68.36, 134.54 87.02 3.39 20
5 11/16/2017 03:47:23 -68.19, -57.94 93.15 11/16/2017 03:46:34 -68.20, -58.01 93.14 3.07 49
6 11/18/2017 18:22:53 -68.52, 82.76 92.19 11/18/2017 18:24:04 -68.48, 82.93 92.23 8.46 71
7 11/18/2017 19:13:35 68.30,-109.64 87.60 11/18/2017 19:13:32 68.30,-109.64 87.61 0.58 3
8 11/18/2017 20:04:16 -68.16, 57.86 92.53 11/18/2017 20:03:03 -68.15, 57.81 92.55 2.35 73
9 11/21/2017 10:39:45 -68.39,-161.29 91.72 11/21/2017 10:40:35 -68.37,-161.32 91.73 2.08 50
10 11/21/2017 11:30:29 68.27, 6.16 88.18 11/21/2017 11:30:02 68.25, 6.18 88.16 2.55 27
11 11/21/2017 12:20:54 -67.27, 174.72 92.81 11/21/2017 12:19:47 -67.32, 172.74 92.79 85.11 67
12 11/24/2017 02:06:13 69.32, 145.90 89.77 11/24/2017 02:07:20 69.26, 148.04 89.73 84.59 67
13 11/24/2017 02:56:39 -68.36, -45.49 91.18 11/24/2017 02:57:04 -68.38, -45.43 91.16 3.14 25
14 11/24/2017 03:47:22 68.20, 122.03 88.67 11/24/2017 03:46:32 68.20, 122.01 88.67 0.97 50

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 11/12/2017
SNOs_Map_NPP_TERRA_20171112.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 11/12/2017 in txt file.

Historical Predictions of SNOs between NPP and TERRA

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service