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: 7/24/2018
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 07/24/2018 20:03:42 68.36,-122.27 48.54 07/24/2018 20:04:15 68.37,-122.21 48.54 2.78 33
2 07/24/2018 20:54:23 -68.22, 45.22 131.59 07/24/2018 20:53:46 -68.20, 45.23 131.61 2.30 37
3 07/27/2018 11:30:02 -68.85,-174.46 130.37 07/27/2018 11:31:12 -68.74,-173.51 130.51 40.02 70
4 07/27/2018 12:20:38 68.29, -6.42 49.06 07/27/2018 12:20:45 68.30, -6.41 49.07 0.78 7
5 07/27/2018 13:11:19 -68.15, 161.07 131.07 07/27/2018 13:10:16 -68.14, 161.03 131.09 2.63 63
6 07/30/2018 03:46:50 -68.41, -58.11 130.20 07/30/2018 03:47:46 -68.40, -58.05 130.22 2.44 56
7 07/30/2018 04:37:33 68.23, 109.43 49.62 07/30/2018 04:37:14 68.23, 109.39 49.63 1.68 19
8 07/30/2018 05:28:04 -67.55, -82.41 131.07 07/30/2018 05:26:54 -67.57, -83.74 131.01 56.67 70
9 08/01/2018 20:03:46 -68.34, 57.74 129.61 08/01/2018 20:04:16 -68.34, 57.75 129.62 0.49 30
10 08/01/2018 20:54:30 68.22,-134.80 50.28 08/01/2018 20:53:43 68.22,-134.75 50.28 2.05 47
11 08/04/2018 11:30:03 68.53, 5.94 51.28 08/04/2018 11:31:14 68.48, 6.17 51.22 11.06 71
12 08/04/2018 12:20:42 -68.27, 173.59 128.98 08/04/2018 12:20:46 -68.27, 173.55 128.98 1.68 4
13 08/04/2018 13:11:26 68.16, -18.95 50.91 08/04/2018 13:10:13 68.15, -18.95 50.91 0.81 73
14 08/07/2018 03:46:57 68.37, 121.92 51.84 08/07/2018 03:47:45 68.36, 121.91 51.83 0.73 48
15 08/07/2018 04:37:39 -68.26, -70.63 128.26 08/07/2018 04:37:15 -68.26, -70.58 128.26 2.10 24
16 08/07/2018 05:28:05 67.18, 98.01 50.64 08/07/2018 05:26:58 67.25, 95.90 50.76 90.98 67

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 7/24/2018
SNOs_Map_NPP_TERRA_20180725.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 07/24/2018 in txt file.

Historical Predictions of SNOs between NPP and TERRA

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service