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: 8/21/2017
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 08/22/2017 19:13:14 -68.37, 70.35 123.25 08/22/2017 19:13:48 -68.38, 70.35 123.24 1.28 34
2 08/22/2017 20:03:58 68.25,-122.18 56.65 08/22/2017 20:03:15 68.27,-122.13 56.67 2.96 43
3 08/25/2017 10:39:34 68.71, 18.35 58.01 08/25/2017 10:40:45 68.61, 18.88 57.90 24.35 71
4 08/25/2017 11:30:11 -68.35,-173.85 122.35 08/25/2017 11:30:18 -68.34,-173.82 122.36 1.78 7
5 08/25/2017 12:20:54 68.18, -6.33 57.49 08/25/2017 12:19:46 68.17, -6.38 57.48 2.20 68
6 08/28/2017 02:56:25 68.43, 134.49 58.66 08/28/2017 02:57:16 68.44, 134.55 58.66 2.96 51
7 08/28/2017 03:47:06 -68.28, -58.00 121.49 08/28/2017 03:46:47 -68.28, -58.01 121.49 0.93 19
8 08/28/2017 04:37:35 67.35, 110.45 57.59 08/28/2017 04:36:27 67.44, 108.66 57.70 77.14 68
9 08/30/2017 18:22:56 -69.48, 81.50 119.33 08/30/2017 18:24:02 -69.43, 84.04 119.42 99.24 66
10 08/30/2017 19:13:21 68.36,-109.66 59.54 08/30/2017 19:13:46 68.37,-109.66 59.54 1.08 25
11 08/30/2017 20:04:03 -68.26, 57.79 120.56 08/30/2017 20:03:16 -68.27, 57.85 120.55 2.79 47
12 09/02/2017 10:39:36 -68.56,-161.47 119.30 09/02/2017 10:40:47 -68.51,-161.25 119.36 10.44 71
13 09/02/2017 11:30:18 68.35, 6.12 60.49 09/02/2017 11:30:15 68.34, 6.18 60.48 2.63 3
14 09/02/2017 12:20:59 -68.19, 173.64 119.66 09/02/2017 12:19:46 -68.18, 173.63 119.66 1.01 73

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 8/21/2017
SNOs_Map_NPP_TERRA_20170821.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 08/21/2017 in txt file.

Historical Predictions of SNOs between NPP and TERRA

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service