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: 2/2/2020
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 02/02/2020 03:46:20 68.30, 122.04 85.24 02/02/2020 03:46:26 68.28, 121.99 85.22 2.69 6
2 02/02/2020 04:37:01 -68.16, -70.46 94.92 02/02/2020 04:35:56 -68.17, -70.51 94.91 2.27 65
3 02/04/2020 19:12:32 -68.40, 70.36 95.43 02/04/2020 19:13:31 -68.43, 70.38 95.42 2.74 59
4 02/04/2020 20:03:16 68.28,-122.17 84.43 02/04/2020 20:02:59 68.27,-122.17 84.42 1.56 17
5 02/04/2020 20:53:48 -67.65, 45.93 96.23 02/04/2020 20:52:37 -67.71, 44.82 96.13 47.26 71
6 02/07/2020 11:29:27 -68.39,-173.85 96.27 02/07/2020 11:30:04 -68.36,-173.84 96.30 3.20 37
7 02/07/2020 12:20:11 68.26, -6.38 83.60 02/07/2020 12:19:31 68.25, -6.33 83.58 3.09 40
8 02/10/2020 02:55:50 68.94, 133.85 83.48 02/10/2020 02:57:00 68.83, 134.97 83.32 46.55 70
9 02/10/2020 03:46:22 -68.32, -57.99 97.19 02/10/2020 03:46:37 -68.34, -58.00 97.17 2.52 15
10 02/10/2020 04:37:06 68.20, 109.47 82.68 02/10/2020 04:36:05 68.17, 109.44 82.66 3.41 61
11 02/12/2020 19:12:36 68.40,-109.65 82.04 02/12/2020 19:13:40 68.41,-109.68 82.04 1.99 64
12 02/12/2020 20:03:18 -68.30, 57.79 98.08 02/12/2020 20:03:10 -68.32, 57.84 98.07 2.67 8
13 02/12/2020 20:53:55 67.81,-134.28 81.40 02/12/2020 20:52:43 67.86,-135.05 81.49 32.85 72
14 02/15/2020 11:29:32 68.39, 6.13 81.12 02/15/2020 11:30:13 68.38, 6.15 81.11 1.20 41
15 02/15/2020 12:20:13 -68.24, 173.63 99.05 02/15/2020 12:19:44 -68.24, 173.61 99.05 1.13 29

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 2/2/2020
SNOs_Map_NPP_TERRA_20200202.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 02/02/2020 in txt file.

Historical Predictions of SNOs between NPP and TERRA

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service