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: 4/7/2015
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 04/08/2015 23:38:44 -68.96, 4.66 118.52 04/08/2015 23:39:16 -68.95, 4.67 118.54 1.84 32
2 04/09/2015 00:29:28 68.85, 172.12 61.36 04/09/2015 00:28:43 68.84, 172.17 61.34 2.44 45
3 04/11/2015 15:04:59 69.37, -47.45 60.92 04/11/2015 15:06:10 69.23, -46.71 60.77 33.17 71
4 04/11/2015 15:55:34 -68.91, 120.51 119.57 04/11/2015 15:55:44 -68.90, 120.50 119.58 1.00 10
5 04/11/2015 16:46:18 68.80, -72.03 60.31 04/11/2015 16:45:11 68.79, -72.00 60.30 1.64 67
6 04/14/2015 07:21:43 69.01, 68.84 59.58 04/14/2015 07:22:41 68.98, 68.86 59.55 2.85 58
7 04/14/2015 08:12:24 -68.86,-123.65 120.59 04/14/2015 08:12:11 -68.88,-123.63 120.57 2.16 13
8 04/14/2015 09:02:57 68.16, 44.58 58.70 04/14/2015 09:01:48 68.20, 43.18 58.75 58.05 69
9 04/16/2015 23:38:31 68.92,-175.26 58.53 04/16/2015 23:39:07 68.93,-175.31 58.54 2.66 36
10 04/17/2015 00:29:13 -68.82, -7.81 121.59 04/17/2015 00:28:37 -68.83, -7.80 121.58 0.99 36
11 04/19/2015 15:04:48 -69.58, 132.29 121.74 04/19/2015 15:05:58 -69.47, 133.64 121.85 54.01 70
12 04/19/2015 15:55:21 68.88, -59.44 57.56 04/19/2015 15:55:33 68.90, -59.45 57.57 2.05 12
13 04/19/2015 16:46:03 -68.79, 108.01 122.56 04/19/2015 16:45:03 -68.80, 108.06 122.54 2.67 60

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 4/7/2015
SNOs_Map_NPP_TERRA_20150407.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 04/07/2015 in txt file.

Historical Predictions of SNOs between NPP and TERRA

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service