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: 2/11/2015
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 02/11/2015 22:48:59 -69.12, 17.15 97.06 02/11/2015 22:49:42 -69.11, 17.16 97.08 1.78 43
2 02/11/2015 23:39:43 68.99,-175.36 82.80 02/11/2015 23:39:09 69.00,-175.34 82.81 1.09 34
3 02/14/2015 14:15:23 69.85, -35.44 82.82 02/14/2015 14:16:31 69.73, -33.77 82.65 65.73 68
4 02/14/2015 15:05:52 -69.08, 132.98 98.00 02/14/2015 15:06:11 -69.07, 132.99 98.01 1.04 19
5 02/14/2015 15:56:36 68.95, -59.54 81.86 02/14/2015 15:55:38 68.96, -59.51 81.87 1.60 58
6 02/17/2015 06:32:04 69.18, 81.29 81.19 02/17/2015 06:33:09 69.16, 81.35 81.17 3.24 65
7 02/17/2015 07:22:45 -69.04,-111.21 98.96 02/17/2015 07:22:39 -69.06,-111.15 98.95 2.84 6
8 02/17/2015 08:13:23 68.59, 56.70 80.57 02/17/2015 08:12:11 68.66, 56.00 80.66 29.32 72
9 02/19/2015 22:48:56 69.09,-162.83 80.16 02/19/2015 22:49:37 69.10,-162.84 80.16 0.61 41
10 02/19/2015 23:39:38 -69.01, 4.60 99.94 02/19/2015 23:39:07 -69.00, 4.67 99.95 2.82 31
11 02/22/2015 14:15:17 -69.88, 144.50 99.99 02/22/2015 14:16:25 -69.79, 146.32 100.13 70.40 68
12 02/22/2015 15:05:48 69.07, -47.04 79.17 02/22/2015 15:06:03 69.06, -47.00 79.15 1.99 15
13 02/22/2015 15:56:29 -68.93, 120.48 100.99 02/22/2015 15:55:34 -68.90, 120.43 101.01 3.25 55

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 2/11/2015
SNOs_Map_NPP_TERRA_20150211.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 02/11/2015 in txt file.

Historical Predictions of SNOs between NPP and TERRA

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service