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: 5/14/2015
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 05/16/2015 08:11:55 -68.89,-123.69 130.28 05/16/2015 08:12:34 -68.88,-123.71 130.29 1.61 39
2 05/16/2015 09:02:39 68.75, 43.80 49.58 05/16/2015 09:02:01 68.78, 43.80 49.60 2.89 38
3 05/18/2015 23:38:18 69.50,-176.09 49.74 05/18/2015 23:39:27 69.40,-174.80 49.65 51.80 69
4 05/19/2015 00:28:48 -68.84, -7.86 130.93 05/19/2015 00:29:04 -68.85, -7.88 130.92 1.30 16
5 05/19/2015 01:19:33 68.76, 159.56 48.98 05/19/2015 01:18:31 68.74, 159.63 48.97 3.28 62
6 05/21/2015 15:55:01 68.92, -59.53 48.60 05/21/2015 15:56:04 68.94, -59.52 48.62 2.39 63
7 05/21/2015 16:45:42 -68.80, 107.96 131.54 05/21/2015 16:45:35 -68.78, 107.91 131.55 2.52 7
8 05/21/2015 17:36:19 68.28, -84.06 47.95 05/21/2015 17:35:08 68.34, -84.99 48.00 38.63 71
9 05/24/2015 08:11:55 68.89, 56.28 48.05 05/24/2015 08:12:34 68.89, 56.30 48.05 0.94 39
10 05/24/2015 09:02:36 -68.76,-136.22 132.09 05/24/2015 09:02:05 -68.74,-136.27 132.12 3.11 31
11 05/26/2015 23:38:17 -69.63, 3.70 131.68 05/26/2015 23:39:26 -69.53, 5.38 131.78 65.79 69
12 05/27/2015 00:28:49 68.86, 172.08 47.55 05/27/2015 00:29:03 68.86, 172.15 47.54 2.67 14
13 05/27/2015 01:19:30 -68.73, -20.42 132.60 05/27/2015 01:18:34 -68.71, -20.42 132.62 2.43 56

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 5/14/2015
SNOs_Map_NPP_TERRA_20150514.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 05/14/2015 in txt file.

Historical Predictions of SNOs between NPP and TERRA

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service