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: 12/3/2017
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 18:22:48 -68.50, 82.78 89.28 12/04/2017 18:23:59 -68.46, 82.95 89.33 8.26 71
2 12/04/2017 19:13:30 68.28,-109.62 90.50 12/04/2017 19:13:27 68.29,-109.61 90.51 1.18 3
3 12/04/2017 20:04:11 -68.13, 57.88 89.64 12/04/2017 20:02:58 -68.13, 57.83 89.65 2.30 73
4 12/07/2017 10:39:40 -68.38,-161.29 89.09 12/07/2017 10:40:28 -68.40,-161.23 89.07 3.34 48
5 12/07/2017 11:30:23 68.21, 6.24 90.75 12/07/2017 11:29:56 68.23, 6.20 90.77 2.28 27
6 12/07/2017 12:20:49 -67.26, 174.72 90.20 12/07/2017 12:19:41 -67.29, 172.76 90.18 84.46 68
7 12/10/2017 02:06:07 69.27, 145.97 92.07 12/10/2017 02:07:14 69.17, 147.98 91.98 80.36 67
8 12/10/2017 02:56:33 -68.32, -45.43 88.89 12/10/2017 02:56:57 -68.34, -45.42 88.86 3.30 24
9 12/10/2017 03:47:16 68.15, 122.09 90.96 12/10/2017 03:46:25 68.17, 122.02 90.97 3.51 51
10 12/12/2017 18:22:44 68.41, -97.09 91.42 12/12/2017 18:23:55 68.38, -97.12 91.39 2.91 71
11 12/12/2017 19:13:26 -68.30, 70.35 88.69 12/12/2017 19:13:25 -68.28, 70.39 88.71 3.02 1
12 12/12/2017 20:04:07 68.04,-122.00 91.05 12/12/2017 20:02:54 68.05,-122.24 91.06 10.11 73
13 12/15/2017 10:39:37 68.35, 18.75 91.52 12/15/2017 10:40:23 68.37, 18.75 91.54 2.55 46
14 12/15/2017 11:30:19 -68.24,-173.79 88.59 12/15/2017 11:29:54 -68.21,-173.80 88.62 3.11 25
15 12/15/2017 12:20:44 67.11, -5.11 90.28 12/15/2017 12:19:38 67.14, -7.38 90.31 98.17 66

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 12/3/2017
SNOs_Map_NPP_TERRA_20171203.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 12/03/2017 in txt file.

Historical Predictions of SNOs between NPP and TERRA

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service