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: 1/28/2017
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 01/29/2017 10:39:34 68.37, 18.73 86.13 01/29/2017 10:40:18 68.37, 18.67 86.13 2.43 44
2 01/29/2017 11:30:15 -68.25,-173.80 94.01 01/29/2017 11:29:48 -68.26,-173.82 93.99 2.02 27
3 02/01/2017 02:05:59 -69.31, -34.08 93.62 02/01/2017 02:07:07 -69.21, -32.04 93.79 81.23 68
4 02/01/2017 02:56:28 68.38, 134.49 85.40 02/01/2017 02:56:47 68.38, 134.56 85.40 2.71 19
5 02/01/2017 03:47:08 -68.20, -57.96 94.80 02/01/2017 03:46:18 -68.22, -58.00 94.77 2.52 50
6 02/03/2017 18:22:37 -68.52, 82.77 95.22 02/03/2017 18:23:48 -68.50, 82.94 95.26 7.31 71
7 02/03/2017 19:13:20 68.33,-109.68 84.58 02/03/2017 19:13:16 68.33,-109.62 84.57 2.27 4
8 02/03/2017 20:04:00 -68.16, 57.87 95.62 02/03/2017 20:02:47 -68.17, 57.82 95.60 2.75 73
9 02/06/2017 10:39:29 -68.43,-161.33 96.13 02/06/2017 10:40:19 -68.40,-161.31 96.17 3.17 50
10 02/06/2017 11:30:13 68.29, 6.15 83.72 02/06/2017 11:29:46 68.28, 6.19 83.71 2.23 27
11 02/06/2017 12:20:38 -67.30, 174.69 97.31 02/06/2017 12:19:30 -67.40, 172.81 97.15 81.00 68
12 02/09/2017 02:05:57 69.37, 145.84 84.03 02/09/2017 02:07:04 69.28, 148.05 83.86 87.18 67
13 02/09/2017 02:56:21 -68.33, -45.43 97.08 02/09/2017 02:56:49 -68.35, -45.49 97.06 3.28 28
14 02/09/2017 03:47:06 68.25, 121.97 82.84 02/09/2017 03:46:16 68.23, 122.01 82.82 2.97 50

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 1/28/2017
SNOs_Map_NPP_TERRA_20170128.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 01/28/2017 in txt file.

Historical Predictions of SNOs between NPP and TERRA

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service