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: 4/15/2015
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 04/16/2015 23:38:32 68.94,-175.30 58.55 04/16/2015 23:39:08 68.96,-175.28 58.57 1.83 36
2 04/17/2015 00:29:13 -68.81, -7.79 121.60 04/17/2015 00:28:39 -68.79, -7.86 121.62 2.97 34
3 04/19/2015 15:04:50 -69.67, 132.16 121.64 04/19/2015 15:05:59 -69.51, 133.70 121.81 62.06 69
4 04/19/2015 15:55:22 68.91, -59.47 57.59 04/19/2015 15:55:35 68.90, -59.46 57.57 1.42 13
5 04/19/2015 16:46:03 -68.77, 108.03 122.57 04/19/2015 16:45:05 -68.79, 108.04 122.55 2.38 58
6 04/22/2015 07:21:27 -69.00,-111.13 123.23 04/22/2015 07:22:33 -68.99,-111.09 123.24 1.88 66
7 04/22/2015 08:12:11 68.89, 56.34 56.65 04/22/2015 08:12:00 68.88, 56.41 56.63 3.22 11
8 04/22/2015 09:02:47 -68.48,-135.80 123.78 04/22/2015 09:01:34 -68.55,-136.37 123.71 24.14 73
9 04/24/2015 23:38:16 -68.93, 4.75 124.19 04/24/2015 23:38:59 -68.95, 4.75 124.18 1.51 43
10 04/25/2015 00:29:00 68.82, 172.21 55.69 04/25/2015 00:28:26 68.82, 172.24 55.69 1.28 34
11 04/27/2015 15:04:36 69.65, -47.80 55.69 04/27/2015 15:05:45 69.53, -46.22 55.56 62.77 69
12 04/27/2015 15:55:05 -68.87, 120.62 125.12 04/27/2015 15:55:25 -68.88, 120.56 125.12 2.44 20
13 04/27/2015 16:45:49 68.76, -71.93 54.76 04/27/2015 16:44:52 68.75, -71.95 54.75 1.63 57

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 4/15/2015
SNOs_Map_NPP_TERRA_20150415.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 04/15/2015 in txt file.

Historical Predictions of SNOs between NPP and TERRA

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service