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: 8/31/2017
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 09/02/2017 10:39:36 -68.61,-161.53 119.26 09/02/2017 10:40:48 -68.55,-161.20 119.33 14.82 72
2 09/02/2017 11:30:17 68.33, 6.15 60.47 09/02/2017 11:30:17 68.33, 6.17 60.47 1.03 0
3 09/02/2017 12:20:58 -68.18, 173.65 119.66 09/02/2017 12:19:48 -68.16, 173.61 119.69 2.99 70
4 09/05/2017 02:56:29 -68.38, -45.47 118.50 09/05/2017 02:57:20 -68.39, -45.52 118.50 2.22 51
5 09/05/2017 03:47:13 68.26, 122.00 61.40 09/05/2017 03:46:47 68.28, 121.99 61.40 1.17 26
6 09/05/2017 04:37:39 -67.31, -69.51 119.56 09/05/2017 04:36:31 -67.39, -71.40 119.47 81.26 68
7 09/07/2017 18:22:59 69.27, -98.22 63.39 09/07/2017 18:24:07 69.16, -96.31 63.26 76.68 68
8 09/07/2017 19:13:26 -68.38, 70.31 117.51 09/07/2017 19:13:49 -68.39, 70.36 117.50 2.48 23
9 09/07/2017 20:04:09 68.20,-122.16 62.33 09/07/2017 20:03:17 68.22,-122.20 62.34 2.12 52
10 09/10/2017 10:39:40 68.41, 18.71 63.53 09/10/2017 10:40:49 68.43, 18.65 63.54 2.88 69
11 09/10/2017 11:30:22 -68.32,-173.85 116.56 09/10/2017 11:30:19 -68.33,-173.84 116.55 1.21 3
12 09/10/2017 12:21:02 67.98, -6.12 63.12 09/10/2017 12:19:49 68.04, -6.53 63.18 18.25 73
13 09/13/2017 02:56:36 68.41, 134.48 64.54 09/13/2017 02:57:17 68.41, 134.51 64.54 1.42 41
14 09/13/2017 03:47:17 -68.26, -58.01 115.60 09/13/2017 03:46:48 -68.26, -58.04 115.60 1.33 29

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 8/31/2017
SNOs_Map_NPP_TERRA_20170831.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 08/31/2017 in txt file.

Historical Predictions of SNOs between NPP and TERRA

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service