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: 2/4/2020
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 02/04/2020 19:12:32 -68.40, 70.36 95.43 02/04/2020 19:13:31 -68.43, 70.38 95.42 2.55 59
2 02/04/2020 20:03:16 68.28,-122.17 84.43 02/04/2020 20:02:59 68.27,-122.17 84.42 1.23 17
3 02/04/2020 20:53:48 -67.65, 45.93 96.23 02/04/2020 20:52:37 -67.71, 44.82 96.13 47.41 71
4 02/07/2020 11:29:27 -68.38,-173.85 96.27 02/07/2020 11:30:03 -68.41,-173.78 96.26 3.57 36
5 02/07/2020 12:20:11 68.26, -6.38 83.60 02/07/2020 12:19:31 68.24, -6.33 83.58 2.80 40
6 02/10/2020 02:55:50 68.94, 133.86 83.48 02/10/2020 02:57:00 68.82, 134.95 83.31 45.85 70
7 02/10/2020 03:46:22 -68.31, -57.99 97.19 02/10/2020 03:46:37 -68.33, -58.02 97.18 1.69 15
8 02/10/2020 04:37:06 68.19, 109.47 82.68 02/10/2020 04:36:04 68.21, 109.49 82.70 2.37 62
9 02/12/2020 19:12:36 68.39,-109.64 82.03 02/12/2020 19:13:40 68.39,-109.71 82.02 2.69 64
10 02/12/2020 20:03:18 -68.30, 57.79 98.08 02/12/2020 20:03:10 -68.29, 57.81 98.09 0.77 8
11 02/12/2020 20:53:54 67.75,-134.20 81.34 02/12/2020 20:52:43 67.84,-135.08 81.47 38.14 71
12 02/15/2020 11:29:32 68.38, 6.14 81.11 02/15/2020 11:30:13 68.35, 6.11 81.08 3.28 41
13 02/15/2020 12:20:13 -68.23, 173.65 99.06 02/15/2020 12:19:43 -68.26, 173.63 99.03 3.13 30

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 2/4/2020
SNOs_Map_NPP_TERRA_20200204.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 02/04/2020 in txt file.

Historical Predictions of SNOs between NPP and TERRA

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service