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: 4/17/2014
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 04/19/2014 07:21:36 -68.81,-111.34 122.48 04/19/2014 07:22:38 -68.80,-111.40 122.49 2.74 62
2 04/19/2014 08:12:20 68.67, 56.16 57.37 04/19/2014 08:12:05 68.69, 56.11 57.39 3.25 15
3 04/19/2014 09:02:53 -68.11,-135.79 123.21 04/19/2014 09:01:42 -68.19,-136.87 123.12 45.35 71
4 04/21/2014 22:48:13 69.87,-164.41 57.70 04/21/2014 22:49:19 69.75,-161.89 57.56 97.35 66
5 04/21/2014 23:38:35 -68.78, 4.47 123.42 04/21/2014 23:39:04 -68.76, 4.43 123.45 3.34 29
6 04/22/2014 00:29:19 68.64, 171.96 56.43 04/22/2014 00:28:31 68.64, 171.94 56.42 1.07 48
7 04/24/2014 15:04:53 68.84, -47.16 55.76 04/24/2014 15:06:00 68.84, -47.20 55.75 1.70 67
8 04/24/2014 15:55:34 -68.71, 120.34 124.39 04/24/2014 15:55:30 -68.73, 120.30 124.37 3.10 4
9 04/24/2014 16:46:13 68.30, -71.82 55.19 04/24/2014 16:45:01 68.39, -72.48 55.28 28.58 72
10 04/27/2014 07:21:53 68.83, 68.62 54.88 04/27/2014 07:22:25 68.83, 68.69 54.88 2.78 32
11 04/27/2014 08:12:34 -68.69,-123.88 125.27 04/27/2014 08:11:56 -68.67,-123.87 125.29 1.97 38
12 04/29/2014 22:48:11 -69.06, 16.76 125.72 04/29/2014 22:49:22 -68.98, 17.13 125.81 17.11 71
13 04/29/2014 23:38:52 68.77,-175.53 53.98 04/29/2014 23:38:51 68.74,-175.52 53.95 3.09 1
14 04/30/2014 00:29:33 -68.63, -8.03 126.17 04/30/2014 00:28:21 -68.64, -8.01 126.17 1.25 72

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 4/17/2014
SNOs_Map_NPP_TERRA_20140417.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 04/17/2014 in txt file.

Historical Predictions of SNOs between NPP and TERRA

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service