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: 8/22/2017
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 -68.36, 70.36 123.25 08/22/2017 19:13:49 -68.34, 70.31 123.28 3.16 35
2 08/22/2017 20:03:58 68.24,-122.18 56.64 08/22/2017 20:03:16 68.23,-122.18 56.63 1.41 42
3 08/25/2017 10:39:33 68.71, 18.36 58.00 08/25/2017 10:40:44 68.65, 18.92 57.93 23.66 71
4 08/25/2017 11:30:10 -68.34,-173.85 122.36 08/25/2017 11:30:18 -68.32,-173.85 122.39 2.56 8
5 08/25/2017 12:20:54 68.22, -6.39 57.54 08/25/2017 12:19:45 68.20, -6.34 57.52 3.04 69
6 08/28/2017 02:56:25 68.42, 134.50 58.65 08/28/2017 02:57:18 68.39, 134.48 58.61 3.35 53
7 08/28/2017 03:47:06 -68.27, -57.99 121.50 08/28/2017 03:46:48 -68.29, -58.01 121.48 2.27 18
8 08/28/2017 04:37:36 67.40, 110.40 57.63 08/28/2017 04:36:28 67.44, 108.66 57.70 74.27 68
9 08/30/2017 19:13:21 68.35,-109.65 59.53 08/30/2017 19:13:48 68.35,-109.69 59.53 1.65 27
10 08/30/2017 20:04:03 -68.25, 57.80 120.56 08/30/2017 20:03:18 -68.25, 57.82 120.56 1.07 45
11 09/02/2017 10:39:37 -68.61,-161.53 119.26 09/02/2017 10:40:49 -68.54,-161.23 119.34 14.37 72
12 09/02/2017 11:30:18 68.34, 6.14 60.48 09/02/2017 11:30:18 68.31, 6.14 60.45 3.16 0
13 09/02/2017 12:20:59 -68.18, 173.65 119.66 09/02/2017 12:19:48 -68.21, 173.65 119.64 2.87 71
14 09/05/2017 02:56:30 -68.43, -45.53 118.45 09/05/2017 02:57:19 -68.43, -45.48 118.46 2.09 49
15 09/05/2017 03:47:13 68.27, 121.99 61.40 09/05/2017 03:46:47 68.26, 121.95 61.39 1.89 26
16 09/05/2017 04:37:39 -67.31, -69.51 119.56 09/05/2017 04:36:31 -67.38, -71.43 119.48 82.54 68

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 8/22/2017
SNOs_Map_NPP_TERRA_20170822.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 08/22/2017 in txt file.

Historical Predictions of SNOs between NPP and TERRA

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service