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: 2/7/2015
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 02/09/2015 06:32:06 -69.16, -98.67 96.14 02/09/2015 06:33:15 -69.16, -98.66 96.16 0.77 69
2 02/09/2015 07:22:50 69.03, 68.82 83.71 02/09/2015 07:22:42 69.05, 68.85 83.73 2.23 8
3 02/09/2015 08:13:28 -68.74,-123.47 96.60 02/09/2015 08:12:15 -68.78,-123.86 96.55 16.35 73
4 02/11/2015 22:49:00 -69.16, 17.10 97.01 02/11/2015 22:49:51 -69.14, 17.17 97.04 3.65 51
5 02/11/2015 23:39:43 68.98,-175.34 82.79 02/11/2015 23:39:19 68.98,-175.40 82.79 2.06 24
6 02/12/2015 00:30:10 -68.10, -6.87 98.13 02/12/2015 00:29:02 -68.16, -8.77 98.02 78.80 68
7 02/14/2015 15:05:52 -69.06, 133.00 98.02 02/14/2015 15:06:31 -69.08, 132.93 98.00 3.57 39
8 02/14/2015 15:56:37 68.99, -59.60 81.90 02/14/2015 15:55:58 68.97, -59.56 81.89 2.38 39
9 02/17/2015 06:32:22 70.12, 79.91 82.18 02/17/2015 06:33:28 70.01, 82.36 82.00 93.87 66
10 02/17/2015 07:22:46 -69.08,-111.26 98.92 02/17/2015 07:23:13 -69.09,-111.24 98.92 1.74 27
11 02/17/2015 08:13:30 68.96, 56.21 80.94 02/17/2015 08:12:40 68.98, 56.27 80.97 3.32 50
12 02/19/2015 22:49:09 69.83,-163.88 80.93 02/19/2015 22:50:17 69.75,-162.19 80.79 65.70 68
13 02/19/2015 23:39:38 -69.05, 4.55 99.91 02/19/2015 23:39:58 -69.05, 4.52 99.90 1.49 20
14 02/20/2015 00:30:22 68.93, 172.02 79.97 02/20/2015 00:29:25 68.94, 172.03 79.99 1.51 57

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 2/7/2015
SNOs_Map_NPP_TERRA_20150207.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 02/07/2015 in txt file.

Historical Predictions of SNOs between NPP and TERRA

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service