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: 1/17/2015
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 01/18/2015 21:59:02 -69.51, 29.25 90.11 01/18/2015 22:00:14 -69.40, 29.92 90.24 29.06 72
2 01/18/2015 22:49:40 69.06,-162.81 89.42 01/18/2015 22:49:45 69.07,-162.86 89.44 2.75 5
3 01/18/2015 23:40:21 -68.94, 4.67 90.71 01/18/2015 23:39:15 -68.96, 4.63 90.68 3.12 66
4 01/21/2015 14:15:45 -69.16, 145.52 91.04 01/21/2015 14:16:47 -69.18, 145.51 91.02 2.58 62
5 01/21/2015 15:06:29 69.03, -46.99 88.82 01/21/2015 15:06:15 69.01, -47.06 88.81 3.14 14
6 01/21/2015 15:57:02 -68.48, 121.06 91.75 01/21/2015 15:55:51 -68.58, 120.03 91.63 43.58 71
7 01/24/2015 06:32:34 -69.13, -98.66 91.68 01/24/2015 06:33:16 -69.16, -98.64 91.66 3.03 42
8 01/24/2015 07:23:18 69.00, 68.83 88.18 01/24/2015 07:22:44 68.99, 68.79 88.17 2.49 34
9 01/26/2015 21:58:56 69.99,-151.42 88.56 01/26/2015 22:00:03 69.87,-149.43 88.39 77.18 67
10 01/26/2015 22:49:23 -69.11, 17.15 92.36 01/26/2015 22:49:45 -69.11, 17.18 92.37 1.13 22
11 01/26/2015 23:40:07 68.99,-175.37 87.51 01/26/2015 23:39:12 68.99,-175.33 87.51 1.56 55
12 01/29/2015 14:15:30 69.23, -34.54 87.08 01/29/2015 14:16:41 69.24, -34.40 87.07 5.72 71
13 01/29/2015 15:06:10 -69.04, 133.03 93.13 01/29/2015 15:06:13 -69.03, 132.96 93.14 3.05 3
14 01/29/2015 15:56:53 68.87, -59.42 86.68 01/29/2015 15:55:40 68.90, -59.55 86.73 6.52 73

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 1/17/2015
SNOs_Map_NPP_TERRA_20150117.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 01/17/2015 in txt file.

Historical Predictions of SNOs between NPP and TERRA

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service