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: 9/14/2019
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 09/16/2019 09:49:15 -69.54,-150.16 113.24 09/16/2019 09:50:21 -69.42,-147.63 113.37 99.70 66
2 09/16/2019 10:39:40 68.41, 18.70 65.63 09/16/2019 10:40:04 68.43, 18.76 65.65 3.16 24
3 09/16/2019 11:30:21 -68.26,-173.80 114.50 09/16/2019 11:29:35 -68.26,-173.81 114.51 0.46 46
4 09/19/2019 02:05:55 -68.73, -33.26 113.02 09/19/2019 02:07:06 -68.66, -32.73 113.10 22.98 71
5 09/19/2019 02:56:34 68.35, 134.55 66.61 09/19/2019 02:56:37 68.33, 134.51 66.59 3.01 3
6 09/19/2019 03:47:15 -68.20, -57.95 113.53 09/19/2019 03:46:07 -68.22, -57.98 113.51 2.75 68
7 09/21/2019 18:22:44 -68.46, 82.87 112.26 09/21/2019 18:23:41 -68.47, 82.90 112.25 1.77 57
8 09/21/2019 19:13:27 68.30,-109.61 67.59 09/21/2019 19:13:09 68.31,-109.66 67.60 2.40 18
9 09/21/2019 20:03:58 -67.61, 58.57 113.08 09/21/2019 20:02:48 -67.70, 57.27 112.99 56.03 70
10 09/24/2019 10:39:38 -68.40,-161.28 111.27 09/24/2019 10:40:16 -68.42,-161.31 111.26 2.02 38
11 09/24/2019 11:30:22 68.29, 6.17 68.64 09/24/2019 11:29:43 68.30, 6.20 68.64 1.44 39
12 09/27/2019 02:06:03 69.15, 146.18 70.51 09/27/2019 02:07:12 69.03, 147.67 70.40 60.56 69
13 09/27/2019 02:56:33 -68.40, -45.50 110.23 09/27/2019 02:56:52 -68.38, -45.51 110.26 2.64 19
14 09/27/2019 03:47:16 68.24, 122.01 69.63 09/27/2019 03:46:19 68.26, 122.00 69.65 2.66 57

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 9/14/2019
SNOs_Map_NPP_TERRA_20190914.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 09/14/2019 in txt file.

Historical Predictions of SNOs between NPP and TERRA

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service