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: 8/29/2017
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 08/30/2017 19:13:21 68.37,-109.67 59.55 08/30/2017 19:13:48 68.34,-109.69 59.51 3.27 27
2 08/30/2017 20:04:02 -68.22, 57.84 120.59 08/30/2017 20:03:18 -68.23, 57.81 120.59 1.21 44
3 09/02/2017 10:39:37 -68.64,-161.56 119.23 09/02/2017 10:40:48 -68.57,-161.17 119.30 17.42 71
4 09/02/2017 11:30:17 68.30, 6.18 60.45 09/02/2017 11:30:18 68.29, 6.13 60.44 2.21 1
5 09/02/2017 12:20:59 -68.21, 173.62 119.63 09/02/2017 12:19:48 -68.19, 173.64 119.66 2.97 71
6 09/05/2017 02:56:30 -68.42, -45.51 118.47 09/05/2017 02:57:20 -68.41, -45.49 118.48 0.80 50
7 09/05/2017 03:47:14 68.30, 121.95 61.43 09/05/2017 03:46:47 68.30, 122.02 61.43 2.56 27
8 09/05/2017 04:37:40 -67.34, -69.55 119.53 09/05/2017 04:36:32 -67.35, -71.44 119.50 80.89 68
9 09/07/2017 18:23:00 69.31, -98.27 63.43 09/07/2017 18:24:07 69.18, -96.28 63.28 79.75 67
10 09/07/2017 19:13:25 -68.36, 70.34 117.53 09/07/2017 19:13:49 -68.35, 70.31 117.54 1.03 24
11 09/07/2017 20:04:09 68.24,-122.21 62.37 09/07/2017 20:03:16 68.24,-122.18 62.36 1.34 53
12 09/10/2017 10:39:40 68.45, 18.66 63.57 09/10/2017 10:40:48 68.44, 18.67 63.55 1.33 68
13 09/10/2017 11:30:21 -68.30,-173.83 116.58 09/10/2017 11:30:19 -68.29,-173.89 116.59 3.01 2
14 09/10/2017 12:21:01 67.97, -6.10 63.11 09/10/2017 12:19:49 68.00, -6.58 63.14 20.21 72

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 8/29/2017
SNOs_Map_NPP_TERRA_20170829.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 08/29/2017 in txt file.

Historical Predictions of SNOs between NPP and TERRA

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service