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: 12/2/2017
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 12/04/2017 18:22:47 -68.46, 82.83 89.32 12/04/2017 18:23:59 -68.44, 82.92 89.35 4.47 72
2 12/04/2017 19:13:30 68.30,-109.64 90.52 12/04/2017 19:13:27 68.27,-109.64 90.49 2.74 3
3 12/04/2017 20:04:11 -68.15, 57.86 89.63 12/04/2017 20:02:57 -68.17, 57.87 89.62 1.84 74
4 12/07/2017 10:39:40 -68.40,-161.31 89.07 12/07/2017 10:40:28 -68.38,-161.27 89.09 2.62 48
5 12/07/2017 11:30:23 68.23, 6.22 90.77 12/07/2017 11:29:56 68.20, 6.17 90.74 3.44 27
6 12/07/2017 12:20:48 -67.22, 174.77 90.24 12/07/2017 12:19:41 -67.26, 172.73 90.21 88.02 67
7 12/10/2017 02:06:06 69.23, 146.02 92.04 12/10/2017 02:07:14 69.13, 147.93 91.94 76.33 68
8 12/10/2017 02:56:33 -68.33, -45.45 88.87 12/10/2017 02:56:57 -68.30, -45.47 88.90 2.92 24
9 12/10/2017 03:47:16 68.17, 122.07 90.97 12/10/2017 03:46:24 68.19, 122.04 90.99 2.51 52
10 12/12/2017 18:22:45 68.42, -97.11 91.43 12/12/2017 18:23:54 68.44, -97.05 91.45 2.94 69
11 12/12/2017 19:13:26 -68.26, 70.41 88.73 12/12/2017 19:13:25 -68.28, 70.39 88.72 1.73 1
12 12/12/2017 20:04:07 68.00,-121.95 91.01 12/12/2017 20:02:54 68.05,-122.24 91.06 13.44 73
13 12/15/2017 10:39:37 68.36, 18.74 91.53 12/15/2017 10:40:22 68.35, 18.73 91.51 1.70 45
14 12/15/2017 11:30:19 -68.26,-173.81 88.58 12/15/2017 11:29:52 -68.24,-173.76 88.59 2.27 27

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 12/2/2017
SNOs_Map_NPP_TERRA_20171202.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 12/02/2017 in txt file.

Historical Predictions of SNOs between NPP and TERRA

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service