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: 1/23/2020
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 01/25/2020 02:55:34 68.46, 134.54 87.52 01/25/2020 02:56:45 68.45, 134.60 87.50 2.72 71
2 01/25/2020 03:46:15 -68.32, -57.95 92.64 01/25/2020 03:46:15 -68.34, -57.90 92.62 3.42 0
3 01/25/2020 04:36:57 68.08, 109.65 87.12 01/25/2020 04:35:44 68.12, 109.49 87.17 7.67 73
4 01/27/2020 19:12:29 68.38,-109.59 86.77 01/27/2020 19:13:19 68.38,-109.61 86.77 1.07 50
5 01/27/2020 20:03:11 -68.29, 57.85 93.34 01/27/2020 20:02:49 -68.27, 57.89 93.35 2.34 22
6 01/27/2020 20:53:39 67.30,-133.63 85.64 01/27/2020 20:52:31 67.32,-135.55 85.73 82.44 68
7 01/30/2020 11:29:25 68.35, 6.21 86.04 01/30/2020 11:29:52 68.36, 6.23 86.04 1.29 27
8 01/30/2020 12:20:06 -68.21, 173.71 94.13 01/30/2020 12:19:23 -68.21, 173.67 94.12 1.60 43
9 02/02/2020 02:55:42 -68.77, -45.88 94.27 02/02/2020 02:56:53 -68.68, -45.16 94.39 30.49 71
10 02/02/2020 03:46:20 68.33, 122.00 85.27 02/02/2020 03:46:24 68.34, 122.07 85.28 2.93 4
11 02/02/2020 04:37:01 -68.18, -70.49 94.90 02/02/2020 04:35:55 -68.19, -70.48 94.89 0.89 66
12 02/04/2020 19:12:32 -68.42, 70.34 95.41 02/04/2020 19:13:30 -68.44, 70.40 95.41 2.86 58
13 02/04/2020 20:03:15 68.26,-122.14 84.41 02/04/2020 20:02:58 68.26,-122.17 84.41 1.29 17
14 02/04/2020 20:53:47 -67.62, 45.97 96.26 02/04/2020 20:52:37 -67.66, 44.77 96.18 50.97 70

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 1/23/2020
SNOs_Map_NPP_TERRA_20200123.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 01/23/2020 in txt file.

Historical Predictions of SNOs between NPP and TERRA

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service