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: 2/13/2015
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 02/14/2015 14:15:23 69.85, -35.45 82.82 02/14/2015 14:16:31 69.74, -33.75 82.66 66.20 68
2 02/14/2015 15:05:52 -69.08, 132.97 98.00 02/14/2015 15:06:11 -69.08, 133.01 98.00 1.43 19
3 02/14/2015 15:56:36 68.95, -59.54 81.86 02/14/2015 15:55:38 68.97, -59.50 81.88 2.74 58
4 02/17/2015 06:32:03 69.12, 81.36 81.14 02/17/2015 06:33:10 69.13, 81.32 81.14 2.11 67
5 02/17/2015 07:22:45 -69.04,-111.21 98.96 02/17/2015 07:22:40 -69.03,-111.18 98.97 1.74 5
6 02/17/2015 08:13:23 68.59, 56.70 80.57 02/17/2015 08:12:11 68.69, 56.04 80.69 28.94 72
7 02/19/2015 22:48:56 69.09,-162.83 80.16 02/19/2015 22:49:38 69.11,-162.84 80.17 1.63 42
8 02/19/2015 23:39:38 -69.01, 4.60 99.94 02/19/2015 23:39:08 -69.01, 4.67 99.95 2.66 30
9 02/22/2015 14:15:18 -69.92, 144.43 99.94 02/22/2015 14:16:26 -69.83, 146.37 100.08 74.96 68
10 02/22/2015 15:05:48 69.06, -47.03 79.16 02/22/2015 15:06:05 69.05, -47.02 79.14 1.80 17
11 02/22/2015 15:56:29 -68.92, 120.48 101.00 02/22/2015 15:55:35 -68.95, 120.48 100.97 3.05 54
12 02/25/2015 06:31:57 -69.15, -98.69 101.72 02/25/2015 06:33:05 -69.14, -98.67 101.75 1.87 68
13 02/25/2015 07:22:40 68.99, 68.84 78.10 02/25/2015 07:22:32 69.02, 68.82 78.13 3.26 8
14 02/25/2015 08:13:18 -68.68,-123.43 102.24 02/25/2015 08:12:05 -68.75,-123.88 102.15 19.89 73

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 2/13/2015
SNOs_Map_NPP_TERRA_20150213.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 02/13/2015 in txt file.

Historical Predictions of SNOs between NPP and TERRA

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service