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: 12/21/2015
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 12/21/2015 02:07:48 68.50, 147.10 91.81 12/21/2015 02:07:39 68.49, 147.05 91.81 1.79 9
2 12/21/2015 02:58:25 -68.14, -45.13 88.55 12/21/2015 02:57:13 -68.17, -45.70 88.52 23.97 72
3 12/23/2015 17:33:58 -68.64, 95.36 88.05 12/23/2015 17:34:48 -68.62, 95.42 88.07 3.16 50
4 12/23/2015 18:24:41 68.47, -97.10 91.79 12/23/2015 18:24:16 68.46, -97.14 91.77 2.27 25
5 12/23/2015 19:15:08 -67.58, 71.34 89.12 12/23/2015 19:13:59 -67.64, 69.53 89.05 76.77 69
6 12/26/2015 09:50:49 -68.57,-148.77 88.18 12/26/2015 09:51:28 -68.60,-148.78 88.15 2.75 39
7 12/26/2015 10:41:33 68.46, 18.69 91.71 12/26/2015 10:40:56 68.43, 18.66 91.69 2.89 37
8 12/29/2015 02:07:42 -68.56, -32.98 88.30 12/29/2015 02:08:13 -68.58, -32.99 88.28 2.21 31
9 12/29/2015 02:58:26 68.44, 134.48 91.58 12/29/2015 02:57:41 68.42, 134.45 91.56 3.17 45
10 12/31/2015 17:34:11 69.61, -85.97 92.61 12/31/2015 17:35:17 69.49, -83.66 92.46 90.82 66
11 12/31/2015 18:24:35 -68.56, 82.80 88.48 12/31/2015 18:25:02 -68.57, 82.80 88.46 2.11 27
12 12/31/2015 19:15:19 68.44,-109.74 91.41 12/31/2015 19:14:30 68.41,-109.76 91.38 3.02 49
13 01/03/2016 09:51:04 69.61, 29.80 92.39 01/03/2016 09:52:10 69.49, 32.11 92.23 90.95 66
14 01/03/2016 10:41:28 -68.55,-161.43 88.70 01/03/2016 10:41:55 -68.58,-161.42 88.68 2.45 27
15 01/03/2016 11:32:12 68.44, 6.03 91.18 01/03/2016 11:31:23 68.42, 6.03 91.16 2.45 49

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 12/21/2015
SNOs_Map_NPP_TERRA_20151221.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 12/21/2015 in txt file.

Historical Predictions of SNOs between NPP and TERRA

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service