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: 9/21/2018
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 09/24/2018 02:56:46 -68.80, -46.01 110.91 09/24/2018 02:57:57 -68.67, -45.33 111.03 30.81 71
2 09/24/2018 03:47:24 68.36, 121.88 68.67 09/24/2018 03:47:28 68.34, 121.91 68.65 1.75 4
3 09/24/2018 04:38:05 -68.21, -70.62 111.47 09/24/2018 04:36:58 -68.23, -70.59 111.45 2.36 67
4 09/26/2018 19:13:36 -68.46, 70.21 110.21 09/26/2018 19:14:29 -68.44, 70.26 110.23 2.83 53
5 09/26/2018 20:04:19 68.28,-122.25 69.64 09/26/2018 20:03:57 68.27,-122.30 69.62 2.21 22
6 09/26/2018 20:54:48 -67.49, 46.04 111.14 09/26/2018 20:53:38 -67.55, 44.50 111.10 65.93 70
7 09/29/2018 10:40:05 69.38, 17.40 71.75 09/29/2018 10:41:12 69.31, 19.61 71.69 87.00 67
8 09/29/2018 11:30:30 -68.38,-173.92 109.24 09/29/2018 11:30:57 -68.37,-173.94 109.25 1.89 27
9 09/29/2018 12:21:14 68.26, -6.46 70.66 09/29/2018 12:20:24 68.25, -6.44 70.65 1.50 50
10 10/02/2018 02:56:44 68.46, 134.44 71.87 10/02/2018 02:57:55 68.45, 134.41 71.86 1.23 71
11 10/02/2018 03:47:26 -68.36, -58.13 108.22 10/02/2018 03:47:25 -68.35, -58.08 108.23 2.38 1
12 10/02/2018 04:38:07 68.08, 109.54 71.52 10/02/2018 04:36:54 68.12, 109.29 71.55 11.20 73
13 10/04/2018 19:13:40 68.44,-109.77 72.89 10/04/2018 19:14:23 68.43,-109.74 72.88 1.88 43
14 10/04/2018 20:04:21 -68.29, 57.73 107.25 10/04/2018 20:03:54 -68.28, 57.71 107.27 2.08 27

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 9/21/2018
SNOs_Map_NPP_TERRA_20180922.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 09/21/2018 in txt file.

Historical Predictions of SNOs between NPP and TERRA

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service