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: 7/25/2017
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 07/27/2017 02:55:58 68.42, 134.59 49.16 07/27/2017 02:57:08 68.41, 134.57 49.14 0.78 70
2 07/27/2017 03:46:40 -68.32, -57.97 130.93 07/27/2017 03:46:38 -68.31, -57.92 130.95 3.06 2
3 07/27/2017 04:37:20 67.99, 109.76 48.73 07/27/2017 04:36:08 68.03, 109.40 48.78 15.94 72
4 07/29/2017 19:12:55 68.38,-109.60 49.75 07/29/2017 19:13:39 68.38,-109.59 49.74 0.46 44
5 07/29/2017 20:03:36 -68.23, 57.91 130.40 07/29/2017 20:03:10 -68.22, 57.85 130.41 2.49 26
6 08/01/2017 10:39:23 -69.26,-162.33 128.70 08/01/2017 10:40:31 -69.13,-160.43 128.88 76.73 68
7 08/01/2017 11:29:51 68.35, 6.21 50.37 08/01/2017 11:30:09 68.35, 6.24 50.37 1.57 18
8 08/01/2017 12:20:32 -68.19, 173.72 129.78 08/01/2017 12:19:40 -68.19, 173.69 129.78 1.29 52
9 08/04/2017 02:56:04 -68.42, -45.44 128.87 08/04/2017 02:57:13 -68.43, -45.43 128.87 0.92 69
10 08/04/2017 03:46:48 68.31, 122.01 51.03 08/04/2017 03:46:40 68.31, 122.08 51.03 2.68 8
11 08/04/2017 04:37:26 -67.99, -70.27 129.29 08/04/2017 04:36:13 -68.05, -70.61 129.22 15.28 73
12 08/06/2017 19:13:01 -68.39, 70.37 128.17 08/06/2017 19:13:44 -68.39, 70.40 128.17 1.57 43
13 08/06/2017 20:03:44 68.23,-122.12 51.68 08/06/2017 20:03:12 68.22,-122.16 51.67 1.95 32

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 7/25/2017
SNOs_Map_NPP_TERRA_20170725.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 07/25/2017 in txt file.

Historical Predictions of SNOs between NPP and TERRA

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service