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: 11/15/2018
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 11/16/2018 10:39:44 68.42, 18.70 87.10 11/16/2018 10:40:48 68.43, 18.70 87.12 1.28 64
2 11/16/2018 11:30:25 -68.30,-173.82 93.02 11/16/2018 11:30:19 -68.28,-173.86 93.04 2.90 6
3 11/16/2018 12:21:03 67.84, -5.93 86.54 11/16/2018 12:19:51 67.88, -6.69 86.56 31.93 72
4 11/19/2018 02:56:37 68.35, 134.55 87.68 11/19/2018 02:57:14 68.38, 134.52 87.70 2.98 37
5 11/19/2018 03:47:19 -68.28, -58.03 92.39 11/19/2018 03:46:44 -68.28, -57.96 92.40 2.75 35
6 11/21/2018 18:22:57 -68.95, 82.22 91.14 11/21/2018 18:24:07 -68.82, 83.32 91.25 46.49 70
7 11/21/2018 19:13:31 68.29,-109.60 88.22 11/21/2018 19:13:41 68.31,-109.66 88.24 3.56 10
8 11/21/2018 20:04:13 -68.21, 57.82 91.86 11/21/2018 20:03:11 -68.21, 57.85 91.86 1.26 62
9 11/24/2018 10:39:42 -68.41,-161.29 91.12 11/24/2018 10:40:40 -68.41,-161.29 91.12 0.62 58
10 11/24/2018 11:30:26 68.28, 6.18 88.77 11/24/2018 11:30:07 68.28, 6.20 88.77 0.96 19
11 11/24/2018 12:20:57 -67.61, 174.34 91.90 11/24/2018 12:19:47 -67.63, 173.07 91.90 53.73 70
12 11/27/2018 02:56:36 -68.34, -45.44 90.67 11/27/2018 02:57:06 -68.37, -45.44 90.64 3.29 30
13 11/27/2018 03:47:20 68.22, 122.02 89.22 11/27/2018 03:46:33 68.24, 122.05 89.24 2.58 47

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 11/15/2018
SNOs_Map_NPP_TERRA_20181115.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 11/15/2018 in txt file.

Historical Predictions of SNOs between NPP and TERRA

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service