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: 9/24/2018
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 09/26/2018 19:13:36 -68.46, 70.21 110.21 09/26/2018 19:14:29 -68.44, 70.26 110.23 3.16 53
2 09/26/2018 20:04:19 68.28,-122.25 69.63 09/26/2018 20:03:57 68.26,-122.30 69.62 2.70 22
3 09/26/2018 20:54:47 -67.49, 46.04 111.13 09/26/2018 20:53:37 -67.55, 44.50 111.10 65.93 70
4 09/29/2018 10:40:05 69.38, 17.40 71.75 09/29/2018 10:41:12 69.29, 19.59 71.68 86.51 67
5 09/29/2018 11:30:30 -68.38,-173.92 109.24 09/29/2018 11:30:57 -68.36,-173.95 109.26 3.20 27
6 09/29/2018 12:21:14 68.26, -6.46 70.66 09/29/2018 12:20:24 68.24, -6.45 70.63 2.38 50
7 10/02/2018 02:56:44 68.45, 134.44 71.87 10/02/2018 02:57:55 68.43, 134.38 71.84 3.39 71
8 10/02/2018 03:47:25 -68.31, -58.06 108.27 10/02/2018 03:47:25 -68.33, -58.10 108.25 2.68 0
9 10/02/2018 04:38:07 68.08, 109.54 71.52 10/02/2018 04:36:54 68.10, 109.26 71.53 11.59 73
10 10/04/2018 19:13:39 68.39,-109.70 72.84 10/04/2018 19:14:23 68.40,-109.77 72.85 3.07 44
11 10/04/2018 20:04:21 -68.30, 57.73 107.24 10/04/2018 20:03:53 -68.30, 57.74 107.24 0.74 28
12 10/07/2018 10:40:04 -69.19,-162.32 105.36 10/07/2018 10:41:13 -69.10,-160.66 105.43 66.43 69
13 10/07/2018 11:30:35 68.37, 6.08 73.85 10/07/2018 11:30:51 68.36, 6.07 73.84 1.47 16
14 10/07/2018 12:21:17 -68.28, 173.52 106.23 10/07/2018 12:20:21 -68.27, 173.59 106.25 3.32 56

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 9/24/2018
SNOs_Map_NPP_TERRA_20180926.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 09/24/2018 in txt file.

Historical Predictions of SNOs between NPP and TERRA

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service