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: 1/28/2020
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 01/30/2020 11:29:25 68.35, 6.21 86.03 01/30/2020 11:29:53 68.33, 6.18 86.01 2.75 28
2 01/30/2020 12:20:06 -68.21, 173.71 94.13 01/30/2020 12:19:23 -68.22, 173.69 94.11 1.68 43
3 02/02/2020 02:55:42 -68.77, -45.88 94.27 02/02/2020 02:56:54 -68.65, -45.21 94.43 30.53 72
4 02/02/2020 03:46:20 68.33, 122.00 85.27 02/02/2020 03:46:25 68.31, 122.03 85.25 1.99 5
5 02/02/2020 04:37:01 -68.18, -70.49 94.90 02/02/2020 04:35:55 -68.21, -70.46 94.87 3.28 66
6 02/04/2020 19:12:32 -68.43, 70.33 95.41 02/04/2020 19:13:31 -68.41, 70.37 95.43 2.35 59
7 02/04/2020 20:03:15 68.26,-122.14 84.41 02/04/2020 20:02:59 68.24,-122.19 84.40 2.76 16
8 02/04/2020 20:53:48 -67.68, 45.90 96.20 02/04/2020 20:52:37 -67.70, 44.80 96.14 46.22 71
9 02/07/2020 11:29:27 -68.36,-173.81 96.30 02/07/2020 11:30:05 -68.34,-173.86 96.32 2.69 38
10 02/07/2020 12:20:11 68.24, -6.35 83.58 02/07/2020 12:19:32 68.22, -6.35 83.56 2.17 39
11 02/10/2020 02:55:51 68.97, 133.81 83.52 02/10/2020 02:57:00 68.86, 135.01 83.35 49.68 69
12 02/10/2020 03:46:23 -68.34, -58.03 97.16 02/10/2020 03:46:38 -68.32, -58.02 97.19 2.47 15
13 02/10/2020 04:37:06 68.17, 109.50 82.66 02/10/2020 04:36:05 68.20, 109.48 82.69 2.73 61

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 1/28/2020
SNOs_Map_NPP_TERRA_20200128.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 01/28/2020 in txt file.

Historical Predictions of SNOs between NPP and TERRA

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service