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: 8/26/2017
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 08/28/2017 02:56:25 68.41, 134.52 58.63 08/28/2017 02:57:18 68.41, 134.51 58.63 0.44 53
2 08/28/2017 03:47:07 -68.31, -58.05 121.45 08/28/2017 03:46:48 -68.30, -57.99 121.47 3.02 19
3 08/28/2017 04:37:36 67.38, 110.42 57.62 08/28/2017 04:36:28 67.46, 108.69 57.72 74.14 68
4 08/30/2017 19:13:22 68.39,-109.70 59.57 08/30/2017 19:13:48 68.38,-109.65 59.55 2.58 26
5 08/30/2017 20:04:03 -68.24, 57.81 120.57 08/30/2017 20:03:18 -68.27, 57.85 120.55 3.00 45
6 09/02/2017 10:39:36 -68.60,-161.52 119.26 09/02/2017 10:40:48 -68.56,-161.20 119.31 13.89 72
7 09/02/2017 11:30:17 68.33, 6.15 60.47 09/02/2017 11:30:17 68.34, 6.18 60.49 2.16 0
8 09/02/2017 12:20:58 -68.18, 173.66 119.67 09/02/2017 12:19:48 -68.18, 173.62 119.67 1.69 70
9 09/05/2017 02:56:30 -68.43, -45.53 118.46 09/05/2017 02:57:20 -68.41, -45.50 118.48 2.17 50
10 09/05/2017 03:47:13 68.26, 122.00 61.39 09/05/2017 03:46:48 68.25, 121.94 61.37 2.91 25
11 09/05/2017 04:37:40 -67.36, -69.57 119.51 09/05/2017 04:36:31 -67.41, -71.38 119.44 77.85 69
12 09/07/2017 18:23:00 69.32, -98.29 63.44 09/07/2017 18:24:07 69.20, -96.27 63.30 80.78 67
13 09/07/2017 19:13:26 -68.37, 70.32 117.52 09/07/2017 19:13:50 -68.37, 70.33 117.52 0.53 24
14 09/07/2017 20:04:10 68.25,-122.22 62.38 09/07/2017 20:03:17 68.26,-122.17 62.38 2.45 53

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 8/26/2017
SNOs_Map_NPP_TERRA_20170827.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 08/26/2017 in txt file.

Historical Predictions of SNOs between NPP and TERRA

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service